166415928792 has 64 divisors (see below), whose sum is σ = 417136404960. Its totient is φ = 55325952000.

The previous prime is 166415928781. The next prime is 166415928827. The reversal of 166415928792 is 297829514661.

It is a super-2 number, since 2×166415928792² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 16803042 + ... + 16812942.

Almost surely, 2^166415928792 is an apocalyptic number.

166415928792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166415928792 is an abundant number, since it is smaller than the sum of its proper divisors (250720476168).

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

166415928792 is a wasteful number, since it uses less digits than its factorization.

166415928792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684 (or 11680 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 60.

The spelling of 166415928792 in words is "one hundred sixty-six billion, four hundred fifteen million, nine hundred twenty-eight thousand, seven hundred ninety-two".