664030092 has 72 divisors (see below), whose sum is σ = 1716555456. Its totient is φ = 199628000.

The previous prime is 664030091. The next prime is 664030093. The reversal of 664030092 is 290030466.

It is an interprime number because it is at equal distance from previous prime (664030091) and next prime (664030093).

It is not an unprimeable number, because it can be changed into a prime (664030091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188467 + ... + 191957.

It is an arithmetic number, because the mean of its divisors is an integer number (23841048).

Almost surely, 2^664030092 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 664030092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858277728).

664030092 is an abundant number, since it is smaller than the sum of its proper divisors (1052525364).

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

664030092 is a wasteful number, since it uses less digits than its factorization.

664030092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 664030092 is about 25768.7813448754. The cubic root of 664030092 is about 872.4273131512.

The spelling of 664030092 in words is "six hundred sixty-four million, thirty thousand, ninety-two".