16958179018 has 16 divisors (see below), whose sum is σ = 27935992800. Its totient is φ = 7656528400.

The previous prime is 16958178977. The next prime is 16958179067. The reversal of 16958179018 is 81097185961.

It is a self number, because there is not a number n which added to its sum of digits gives 16958179018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583388 + ... + 2589943.

It is an arithmetic number, because the mean of its divisors is an integer number (1745999550).

Almost surely, 2^16958179018 is an apocalyptic number.

16958179018 is a deficient number, since it is larger than the sum of its proper divisors (10977813782).

16958179018 is a wasteful number, since it uses less digits than its factorization.

16958179018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173493.

The product of its (nonzero) digits is 1088640, while the sum is 55.

The spelling of 16958179018 in words is "sixteen billion, nine hundred fifty-eight million, one hundred seventy-nine thousand, eighteen".