164889192 has 32 divisors (see below), whose sum is σ = 443933280. Its totient is φ = 50735040.

The previous prime is 164889191. The next prime is 164889203. The reversal of 164889192 is 291988461.

It is not an unprimeable number, because it can be changed into a prime (164889191) 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, 263934 + ... + 264557.

It is an arithmetic number, because the mean of its divisors is an integer number (13872915).

Almost surely, 2^164889192 is an apocalyptic number.

164889192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164889192 is an abundant number, since it is smaller than the sum of its proper divisors (279044088).

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

164889192 is a wasteful number, since it uses less digits than its factorization.

164889192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528513 (or 528509 counting only the distinct ones).

The product of its digits is 248832, while the sum is 48.

The square root of 164889192 is about 12840.9186587253. The cubic root of 164889192 is about 548.3578478604.

The spelling of 164889192 in words is "one hundred sixty-four million, eight hundred eighty-nine thousand, one hundred ninety-two".