190566064 has 20 divisors (see below), whose sum is σ = 397623856. Its totient is φ = 87953472.

The previous prime is 190566049. The next prime is 190566113. The reversal of 190566064 is 460665091.

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, 457884 + ... + 458299.

Almost surely, 2^190566064 is an apocalyptic number.

It is an amenable number.

190566064 is an abundant number, since it is smaller than the sum of its proper divisors (207057792).

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

190566064 is a wasteful number, since it uses less digits than its factorization.

190566064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916204 (or 916198 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 190566064 is about 13804.5667805984. The cubic root of 190566064 is about 575.4600617966.

The spelling of 190566064 in words is "one hundred ninety million, five hundred sixty-six thousand, sixty-four".