2157110016 has 144 divisors (see below), whose sum is σ = 6198716160. Its totient is φ = 663900160.

The previous prime is 2157109973. The next prime is 2157110023. The reversal of 2157110016 is 6100117512.

It is a super-2 number, since 2×2157110016² = 9306247242255040512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510151 + ... + 514361.

It is an arithmetic number, because the mean of its divisors is an integer number (43046640).

Almost surely, 2^2157110016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2157110016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3099358080).

2157110016 is an abundant number, since it is smaller than the sum of its proper divisors (4041606144).

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

2157110016 is a wasteful number, since it uses less digits than its factorization.

2157110016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 2157110016 is about 46444.6984703314. The cubic root of 2157110016 is about 1292.0840491415.

Adding to 2157110016 its reverse (6100117512), we get a palindrome (8257227528).

The spelling of 2157110016 in words is "two billion, one hundred fifty-seven million, one hundred ten thousand, sixteen".