185872512680 has 16 divisors (see below), whose sum is σ = 418213153620. Its totient is φ = 74349005056.

The previous prime is 185872512677. The next prime is 185872512691. The reversal of 185872512680 is 86215278581.

It can be written as a sum of positive squares in 2 ways, for example, as 176347923844 + 9524588836 = 419938^2 + 97594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323406369 + ... + 2323406448.

Almost surely, 2^185872512680 is an apocalyptic number.

185872512680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

185872512680 is an abundant number, since it is smaller than the sum of its proper divisors (232340640940).

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

185872512680 is a wasteful number, since it uses less digits than its factorization.

185872512680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646812828 (or 4646812824 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 53.

The spelling of 185872512680 in words is "one hundred eighty-five billion, eight hundred seventy-two million, five hundred twelve thousand, six hundred eighty".