2162161716 has 96 divisors (see below), whose sum is σ = 5937727488. Its totient is φ = 603711360.

The previous prime is 2162161709. The next prime is 2162161723. The reversal of 2162161716 is 6171612612.

2162161716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2162161709) and next prime (2162161723).

It is a super-2 number, since 2×2162161716² = 9349886572272129312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1658721 + ... + 1660023.

It is an arithmetic number, because the mean of its divisors is an integer number (61851328).

Almost surely, 2^2162161716 is an apocalyptic number.

2162161716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162161716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968863744).

2162161716 is an abundant number, since it is smaller than the sum of its proper divisors (3775565772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162161716 is a wasteful number, since it uses less digits than its factorization.

2162161716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2299 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 2162161716 is about 46499.0506999874. The cubic root of 2162161716 is about 1293.0918994955.

It can be divided in two parts, 2162 and 161716, that added together give a triangular number (163878 = T₅₇₂).

The spelling of 2162161716 in words is "two billion, one hundred sixty-two million, one hundred sixty-one thousand, seven hundred sixteen".