667400740370 has 32 divisors (see below), whose sum is σ = 1478549334528. Its totient is φ = 211221332928.

The previous prime is 667400740337. The next prime is 667400740429. The reversal of 667400740370 is 73047004766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366702794 + ... + 366704613.

It is an arithmetic number, because the mean of its divisors is an integer number (46204666704).

Almost surely, 2^667400740370 is an apocalyptic number.

667400740370 is an abundant number, since it is smaller than the sum of its proper divisors (811148594158).

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

667400740370 is a wasteful number, since it uses less digits than its factorization.

667400740370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733407434.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 667400740370 in words is "six hundred sixty-seven billion, four hundred million, seven hundred forty thousand, three hundred seventy".