16156610979 has 8 divisors (see below), whose sum is σ = 21699390480. Its totient is φ = 10692452736.

The previous prime is 16156610963. The next prime is 16156610983. The reversal of 16156610979 is 97901665161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16156610979 - 2⁴ = 16156610963 is a prime.

It is a super-2 number, since 2×16156610979² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16156610779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19654834 + ... + 19655655.

It is an arithmetic number, because the mean of its divisors is an integer number (2712423810).

Almost surely, 2^16156610979 is an apocalyptic number.

16156610979 is a deficient number, since it is larger than the sum of its proper divisors (5542779501).

16156610979 is a wasteful number, since it uses less digits than its factorization.

16156610979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39310629.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 16156610979 in words is "sixteen billion, one hundred fifty-six million, six hundred ten thousand, nine hundred seventy-nine".