668014284072 has 32 divisors (see below), whose sum is σ = 1671684374880. Its totient is φ = 222451606080.

The previous prime is 668014284053. The next prime is 668014284137. The reversal of 668014284072 is 270482410866.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13714054 + ... + 13762677.

It is an arithmetic number, because the mean of its divisors is an integer number (52240136715).

Almost surely, 2^668014284072 is an apocalyptic number.

It is an amenable number.

668014284072 is an abundant number, since it is smaller than the sum of its proper divisors (1003670090808).

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

668014284072 is a wasteful number, since it uses less digits than its factorization.

668014284072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27477753 (or 27477749 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 668014284072 in words is "six hundred sixty-eight billion, fourteen million, two hundred eighty-four thousand, seventy-two".