667316145904 has 20 divisors (see below), whose sum is σ = 1360973719240. Its totient is φ = 316097121600.

The previous prime is 667316145893. The next prime is 667316145917. The reversal of 667316145904 is 409541613766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097559147 + ... + 1097559754.

It is an arithmetic number, because the mean of its divisors is an integer number (68048685962).

Almost surely, 2^667316145904 is an apocalyptic number.

It is an amenable number.

667316145904 is an abundant number, since it is smaller than the sum of its proper divisors (693657573336).

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

667316145904 is a wasteful number, since it uses less digits than its factorization.

667316145904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195118928 (or 2195118922 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 667316145904 in words is "six hundred sixty-seven billion, three hundred sixteen million, one hundred forty-five thousand, nine hundred four".