667463072970 has 32 divisors (see below), whose sum is σ = 1653585937920. Its totient is φ = 172248534720.

The previous prime is 667463072909. The next prime is 667463073023. The reversal of 667463072970 is 79270364766.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 667463072970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358850185 + ... + 358852044.

It is an arithmetic number, because the mean of its divisors is an integer number (51674560560).

Almost surely, 2^667463072970 is an apocalyptic number.

667463072970 is an abundant number, since it is smaller than the sum of its proper divisors (986122864950).

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

667463072970 is a wasteful number, since it uses less digits than its factorization.

667463072970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717702270.

The product of its (nonzero) digits is 16003008, while the sum is 57.

The spelling of 667463072970 in words is "six hundred sixty-seven billion, four hundred sixty-three million, seventy-two thousand, nine hundred seventy".