190561264 has 10 divisors (see below), whose sum is σ = 369212480. Its totient is φ = 95280624.

The previous prime is 190561237. The next prime is 190561289. The reversal of 190561264 is 462165091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955024 + ... + 5955055.

It is an arithmetic number, because the mean of its divisors is an integer number (36921248).

Almost surely, 2^190561264 is an apocalyptic number.

It is an amenable number.

190561264 is a deficient number, since it is larger than the sum of its proper divisors (178651216).

190561264 is a wasteful number, since it uses less digits than its factorization.

190561264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910087 (or 11910081 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 190561264 is about 13804.3929239934. The cubic root of 190561264 is about 575.4552301713.

The spelling of 190561264 in words is "one hundred ninety million, five hundred sixty-one thousand, two hundred sixty-four".