16156380902893 has 32 divisors (see below), whose sum is σ = 21620067091200. Its totient is φ = 11686522613760.

The previous prime is 16156380902891. The next prime is 16156380902897. The reversal of 16156380902893 is 39820908365161.

It is a cyclic number.

It is not a de Polignac number, because 16156380902893 - 2¹ = 16156380902891 is a prime.

It is a super-2 number, since 2×16156380902893² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16156380902891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84442368 + ... + 84633481.

It is an arithmetic number, because the mean of its divisors is an integer number (675627096600).

Almost surely, 2^{16156380902893} is an apocalyptic number.

It is an amenable number.

16156380902893 is a deficient number, since it is larger than the sum of its proper divisors (5463686188307).

16156380902893 is a wasteful number, since it uses less digits than its factorization.

16156380902893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169075957.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 16156380902893 in words is "sixteen trillion, one hundred fifty-six billion, three hundred eighty million, nine hundred two thousand, eight hundred ninety-three".