185977138112 has 14 divisors (see below), whose sum is σ = 369048383568. Its totient is φ = 92988569024.

The previous prime is 185977138111. The next prime is 185977138129. The reversal of 185977138112 is 211831779581.

185977138112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185977138111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452946328 + ... + 1452946455.

Almost surely, 2^185977138112 is an apocalyptic number.

It is an amenable number.

185977138112 is a deficient number, since it is larger than the sum of its proper divisors (183071245456).

185977138112 is an equidigital number, since it uses as much as digits as its factorization.

185977138112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905892795 (or 2905892785 counting only the distinct ones).

The product of its digits is 846720, while the sum is 53.

The spelling of 185977138112 in words is "one hundred eighty-five billion, nine hundred seventy-seven million, one hundred thirty-eight thousand, one hundred twelve".