2162193660 has 288 divisors, whose sum is σ = 7573063680. Its totient is φ = 494208000.

The previous prime is 2162193659. The next prime is 2162193661. The reversal of 2162193660 is 663912612.

It is a happy number.

2162193660 is a `hidden beast` number, since 21 + 621 + 9 + 3 + 6 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2162193659) and next prime (2162193661).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162193661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3597360 + ... + 3597960.

It is an arithmetic number, because the mean of its divisors is an integer number (26295360).

Almost surely, 2^2162193660 is an apocalyptic number.

2162193660 is a gapful number since it is divisible by the number (20) 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 2162193660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3786531840).

2162193660 is an abundant number, since it is smaller than the sum of its proper divisors (5410870020).

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

2162193660 is a wasteful number, since it uses less digits than its factorization.

2162193660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2162193660 is about 46499.3941896021. The cubic root of 2162193660 is about 1293.0982675552.

The spelling of 2162193660 in words is "two billion, one hundred sixty-two million, one hundred ninety-three thousand, six hundred sixty".