190664894524 has 12 divisors (see below), whose sum is σ = 359329993624. Its totient is φ = 87999182064.

The previous prime is 190664894489. The next prime is 190664894557. The reversal of 190664894524 is 425498466091.

It is a happy number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833316242 + ... + 1833316345.

Almost surely, 2^190664894524 is an apocalyptic number.

It is an amenable number.

190664894524 is a deficient number, since it is larger than the sum of its proper divisors (168665099100).

190664894524 is a wasteful number, since it uses less digits than its factorization.

190664894524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666632604 (or 3666632602 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 190664894524 in words is "one hundred ninety billion, six hundred sixty-four million, eight hundred ninety-four thousand, five hundred twenty-four".