16179406986 has 16 divisors (see below), whose sum is σ = 32430888000. Its totient is φ = 5381123328.

The previous prime is 16179406981. The next prime is 16179407011. The reversal of 16179406986 is 68960497161.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16179406981) 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, 3000166 + ... + 3005553.

It is an arithmetic number, because the mean of its divisors is an integer number (2026930500).

Almost surely, 2^16179406986 is an apocalyptic number.

16179406986 is an abundant number, since it is smaller than the sum of its proper divisors (16251481014).

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

16179406986 is a wasteful number, since it uses less digits than its factorization.

16179406986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006173.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 16179406986 in words is "sixteen billion, one hundred seventy-nine million, four hundred six thousand, nine hundred eighty-six".