190317664 has 24 divisors (see below), whose sum is σ = 382663008. Its totient is φ = 93133440.

The previous prime is 190317641. The next prime is 190317667. The reversal of 190317664 is 466713091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190317667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61767 + ... + 64774.

It is an arithmetic number, because the mean of its divisors is an integer number (15944292).

Almost surely, 2^190317664 is an apocalyptic number.

It is an amenable number.

190317664 is an abundant number, since it is smaller than the sum of its proper divisors (192345344).

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

190317664 is a wasteful number, since it uses less digits than its factorization.

190317664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126598 (or 126590 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 190317664 is about 13795.5668241649. The cubic root of 190317664 is about 575.2099185656.

The spelling of 190317664 in words is "one hundred ninety million, three hundred seventeen thousand, six hundred sixty-four".