16179973950 has 72 divisors (see below), whose sum is σ = 46677595032. Its totient is φ = 3698278080.

The previous prime is 16179973903. The next prime is 16179973969. The reversal of 16179973950 is 5937997161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1093329 + ... + 1108028.

It is an arithmetic number, because the mean of its divisors is an integer number (648299931).

Almost surely, 2^16179973950 is an apocalyptic number.

16179973950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16179973950 is an abundant number, since it is smaller than the sum of its proper divisors (30497621082).

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

16179973950 is a wasteful number, since it uses less digits than its factorization.

16179973950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201386 (or 2201374 counting only the distinct ones).

The product of its (nonzero) digits is 3214890, while the sum is 57.

The spelling of 16179973950 in words is "sixteen billion, one hundred seventy-nine million, nine hundred seventy-three thousand, nine hundred fifty".