189016690669920 has 96 divisors (see below), whose sum is σ = 661558417359840. Its totient is φ = 50404450844160.

The previous prime is 189016690669909. The next prime is 189016690669943. The reversal of 189016690669920 is 29966096610981.

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

It is a super-3 number, since 3×189016690669920³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 21876927471 + ... + 21876936110.

It is an arithmetic number, because the mean of its divisors is an integer number (6891233514165).

Almost surely, 2^{189016690669920} is an apocalyptic number.

189016690669920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189016690669920 is an abundant number, since it is smaller than the sum of its proper divisors (472541726689920).

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

189016690669920 is a wasteful number, since it uses less digits than its factorization.

189016690669920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43753863605 (or 43753863591 counting only the distinct ones).

The product of its (nonzero) digits is 136048896, while the sum is 72.

The spelling of 189016690669920 in words is "one hundred eighty-nine trillion, sixteen billion, six hundred ninety million, six hundred sixty-nine thousand, nine hundred twenty".