667731373123325 has 48 divisors (see below), whose sum is σ = 1005745095813120. Its totient is φ = 429562963869120.

The previous prime is 667731373123231. The next prime is 667731373123351. The reversal of 667731373123325 is 523321373137766.

It is not a de Polignac number, because 667731373123325 - 2²² = 667731368929021 is a prime.

It is a super-2 number, since 2×667731373123325² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 974519009 + ... + 975203958.

It is an arithmetic number, because the mean of its divisors is an integer number (20953022829440).

Almost surely, 2^{667731373123325} is an apocalyptic number.

It is an amenable number.

667731373123325 is a deficient number, since it is larger than the sum of its proper divisors (338013722689795).

667731373123325 is a wasteful number, since it uses less digits than its factorization.

667731373123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949723106 (or 1949723101 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 59.

The spelling of 667731373123325 in words is "six hundred sixty-seven trillion, seven hundred thirty-one billion, three hundred seventy-three million, one hundred twenty-three thousand, three hundred twenty-five".