16156122 has 16 divisors (see below), whose sum is σ = 32403360. Its totient is φ = 5370192.

The previous prime is 16156093. The next prime is 16156157. The reversal of 16156122 is 22165161.

It is a super-2 number, since 2×16156122² = 522040556157768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16156092 and 16156101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (2025210).

Almost surely, 2^16156122 is an apocalyptic number.

16156122 is an abundant number, since it is smaller than the sum of its proper divisors (16247238).

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

16156122 is a wasteful number, since it uses less digits than its factorization.

16156122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597.

The product of its digits is 720, while the sum is 24.

The square root of 16156122 is about 4019.4678752293. The cubic root of 16156122 is about 252.8011477309.

The spelling of 16156122 in words is "sixteen million, one hundred fifty-six thousand, one hundred twenty-two".