190292664 has 64 divisors (see below), whose sum is σ = 494128800. Its totient is φ = 60996096.

The previous prime is 190292653. The next prime is 190292699. The reversal of 190292664 is 466292091.

It is a super-2 number, since 2×190292664² = 72422595944433792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259242 + ... + 259974.

Almost surely, 2^190292664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190292664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247064400).

190292664 is an abundant number, since it is smaller than the sum of its proper divisors (303836136).

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

190292664 is a wasteful number, since it uses less digits than its factorization.

190292664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 190292664 is about 13794.6607062298. The cubic root of 190292664 is about 575.1847310670.

The spelling of 190292664 in words is "one hundred ninety million, two hundred ninety-two thousand, six hundred sixty-four".