668600592 has 80 divisors (see below), whose sum is σ = 1888807680. Its totient is φ = 202115200.

The previous prime is 668600587. The next prime is 668600609. The reversal of 668600592 is 295006866.

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, 257959 + ... + 260537.

It is an arithmetic number, because the mean of its divisors is an integer number (23610096).

Almost surely, 2^668600592 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 668600592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944403840).

668600592 is an abundant number, since it is smaller than the sum of its proper divisors (1220207088).

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

668600592 is a wasteful number, since it uses less digits than its factorization.

668600592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 668600592 is about 25857.3121572989. The cubic root of 668600592 is about 874.4243689335.

The spelling of 668600592 in words is "six hundred sixty-eight million, six hundred thousand, five hundred ninety-two".