16156651651165 has 32 divisors (see below), whose sum is σ = 19752097971456. Its totient is φ = 12684064673280.

The previous prime is 16156651651159. The next prime is 16156651651223. The reversal of 16156651651165 is 56115615665161.

It is not a de Polignac number, because 16156651651165 - 2²⁵ = 16156618096733 is a prime.

It is a super-2 number, since 2×16156651651165² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445522824 + ... + 445559086.

It is an arithmetic number, because the mean of its divisors is an integer number (617253061608).

Almost surely, 2^{16156651651165} is an apocalyptic number.

It is an amenable number.

16156651651165 is a deficient number, since it is larger than the sum of its proper divisors (3595446320291).

16156651651165 is a wasteful number, since it uses less digits than its factorization.

16156651651165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41349.

The product of its digits is 4860000, while the sum is 55.

The spelling of 16156651651165 in words is "sixteen trillion, one hundred fifty-six billion, six hundred fifty-one million, six hundred fifty-one thousand, one hundred sixty-five".