16164683990 has 48 divisors (see below), whose sum is σ = 36450488592. Its totient is φ = 5115854016.

The previous prime is 16164683947. The next prime is 16164684001. The reversal of 16164683990 is 9938646161.

It is a super-2 number, since 2×16164683990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1262444 + ... + 1275183.

It is an arithmetic number, because the mean of its divisors is an integer number (759385179).

Almost surely, 2^16164683990 is an apocalyptic number.

16164683990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16164683990 is an abundant number, since it is smaller than the sum of its proper divisors (20285804602).

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

16164683990 is a wasteful number, since it uses less digits than its factorization.

16164683990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537661 (or 2537654 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 16164683990 in words is "sixteen billion, one hundred sixty-four million, six hundred eighty-three thousand, nine hundred ninety".