185374984912 has 40 divisors (see below), whose sum is σ = 386912423520. Its totient is φ = 85531056000.

The previous prime is 185374984901. The next prime is 185374984931. The reversal of 185374984912 is 219489473581.

It is a super-2 number, since 2×185374984912² (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 7 ways as a sum of consecutive naturals, for example, 539139 + ... + 813277.

It is an arithmetic number, because the mean of its divisors is an integer number (9672810588).

Almost surely, 2^185374984912 is an apocalyptic number.

It is an amenable number.

185374984912 is an abundant number, since it is smaller than the sum of its proper divisors (201537438608).

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

185374984912 is a wasteful number, since it uses less digits than its factorization.

185374984912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277411 (or 277405 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 61.

The spelling of 185374984912 in words is "one hundred eighty-five billion, three hundred seventy-four million, nine hundred eighty-four thousand, nine hundred twelve".