77166613160 has 96 divisors (see below), whose sum is σ = 217508162760. Its totient is φ = 24421953024.

The previous prime is 77166613159. The next prime is 77166613171. The reversal of 77166613160 is 6131666177.

It can be written as a sum of positive squares in 4 ways, for example, as 41830884676 + 35335728484 = 204526^2 + 187978^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 1488779 + ... + 1539738.

Almost surely, 2^77166613160 is an apocalyptic number.

77166613160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77166613160 is an abundant number, since it is smaller than the sum of its proper divisors (140341549600).

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

77166613160 is a wasteful number, since it uses less digits than its factorization.

77166613160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028555 (or 3028544 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 77166613160 in words is "seventy-seven billion, one hundred sixty-six million, six hundred thirteen thousand, one hundred sixty".