668052315354 has 16 divisors (see below), whose sum is σ = 1336167036000. Its totient is φ = 222673704240.

The previous prime is 668052315353. The next prime is 668052315451. The reversal of 668052315354 is 453513250866.

668052315354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (668052315353) 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, 2460477 + ... + 2718464.

It is an arithmetic number, because the mean of its divisors is an integer number (83510439750).

Almost surely, 2^668052315354 is an apocalyptic number.

668052315354 is an abundant number, since it is smaller than the sum of its proper divisors (668114720646).

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

668052315354 is a wasteful number, since it uses less digits than its factorization.

668052315354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200445.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 668052315354 in words is "six hundred sixty-eight billion, fifty-two million, three hundred fifteen thousand, three hundred fifty-four".