190361664 has 70 divisors (see below), whose sum is σ = 564306974. Its totient is φ = 63452160.

The previous prime is 190361657. The next prime is 190361681. The reversal of 190361664 is 466163091.

It can be written as a sum of positive squares in only one way, i.e., 95883264 + 94478400 = 9792^2 + 9720^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13177 + ... + 23544.

Almost surely, 2^190361664 is an apocalyptic number.

It is an amenable number.

190361664 is an abundant number, since it is smaller than the sum of its proper divisors (373945310).

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

190361664 is an equidigital number, since it uses as much as digits as its factorization.

190361664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36745 (or 36726 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 190361664 is about 13797.1614471963. The cubic root of 190361664 is about 575.2542432063.

The spelling of 190361664 in words is "one hundred ninety million, three hundred sixty-one thousand, six hundred sixty-four".