183955021152 has 48 divisors (see below), whose sum is σ = 551865065472. Its totient is φ = 52558577280.

The previous prime is 183955021141. The next prime is 183955021157. The reversal of 183955021152 is 251120559381.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183955021157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136870624 + ... + 136871967.

It is an arithmetic number, because the mean of its divisors is an integer number (11497188864).

Almost surely, 2^183955021152 is an apocalyptic number.

183955021152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

183955021152 is an abundant number, since it is smaller than the sum of its proper divisors (367910044320).

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

183955021152 is a wasteful number, since it uses less digits than its factorization.

183955021152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273742611 (or 273742603 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 183955021152 in words is "one hundred eighty-three billion, nine hundred fifty-five million, twenty-one thousand, one hundred fifty-two".