190664332320 has 768 divisors, whose sum is σ = 811390390272. Its totient is φ = 36415733760.

The previous prime is 190664332307. The next prime is 190664332351. The reversal of 190664332320 is 23233466091.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27014232 + ... + 27021288.

It is an arithmetic number, because the mean of its divisors is an integer number (1056497904).

Almost surely, 2^190664332320 is an apocalyptic number.

190664332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190664332320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405695195136).

190664332320 is an abundant number, since it is smaller than the sum of its proper divisors (620726057952).

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

190664332320 is a wasteful number, since it uses less digits than its factorization.

190664332320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153 (or 7145 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 190664332320 in words is "one hundred ninety billion, six hundred sixty-four million, three hundred thirty-two thousand, three hundred twenty".