668350000552 has 32 divisors (see below), whose sum is σ = 1364716420200. Its totient is φ = 305003280384.

The previous prime is 668350000537. The next prime is 668350000553. The reversal of 668350000552 is 255000053866.

It can be written as a sum of positive squares in 4 ways, for example, as 443148501636 + 225201498916 = 665694^2 + 474554^2 .

It is not an unprimeable number, because it can be changed into a prime (668350000553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36094353 + ... + 36112864.

Almost surely, 2^668350000552 is an apocalyptic number.

It is an amenable number.

668350000552 is an abundant number, since it is smaller than the sum of its proper divisors (696366419648).

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

668350000552 is a wasteful number, since it uses less digits than its factorization.

668350000552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72207325 (or 72207321 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 668350000552 in words is "six hundred sixty-eight billion, three hundred fifty million, five hundred fifty-two", and thus it is an aban number.