187313053920 has 96 divisors (see below), whose sum is σ = 593656221312. Its totient is φ = 49643684352.

The previous prime is 187313053901. The next prime is 187313053933. The reversal of 187313053920 is 29350313781.

It is a tau number, because it is divible by the number of its divisors (96).

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, 1118802 + ... + 1275281.

It is an arithmetic number, because the mean of its divisors is an integer number (6183918972).

Almost surely, 2^187313053920 is an apocalyptic number.

187313053920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187313053920 is an abundant number, since it is smaller than the sum of its proper divisors (406343167392).

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

187313053920 is a wasteful number, since it uses less digits than its factorization.

187313053920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394264 (or 2394256 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 187313053920 in words is "one hundred eighty-seven billion, three hundred thirteen million, fifty-three thousand, nine hundred twenty".