16179470091 has 8 divisors (see below), whose sum is σ = 23969585360. Its totient is φ = 10786313376.

The previous prime is 16179470077. The next prime is 16179470119. The reversal of 16179470091 is 19007497161.

16179470091 is a `hidden beast` number, since 1 + 6 + 179 + 470 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 16179470091 - 2¹⁷ = 16179339019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16179470051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299619790 + ... + 299619843.

It is an arithmetic number, because the mean of its divisors is an integer number (2996198170).

Almost surely, 2^16179470091 is an apocalyptic number.

16179470091 is a deficient number, since it is larger than the sum of its proper divisors (7790115269).

16179470091 is an equidigital number, since it uses as much as digits as its factorization.

16179470091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599239642 (or 599239636 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The spelling of 16179470091 in words is "sixteen billion, one hundred seventy-nine million, four hundred seventy thousand, ninety-one".