190564506 has 24 divisors (see below), whose sum is σ = 450425664. Its totient is φ = 57746760.

The previous prime is 190564489. The next prime is 190564531. The reversal of 190564506 is 605465091.

190564506 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 645 + 0 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481026 + ... + 481421.

It is an arithmetic number, because the mean of its divisors is an integer number (18767736).

Almost surely, 2^190564506 is an apocalyptic number.

190564506 is an abundant number, since it is smaller than the sum of its proper divisors (259861158).

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

190564506 is a wasteful number, since it uses less digits than its factorization.

190564506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962466 (or 962463 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 190564506 is about 13804.5103498820. The cubic root of 190564506 is about 575.4584935405.

The spelling of 190564506 in words is "one hundred ninety million, five hundred sixty-four thousand, five hundred six".