667257473037 has 32 divisors (see below), whose sum is σ = 907548364800. Its totient is φ = 435995301888.

The previous prime is 667257473023. The next prime is 667257473059. The reversal of 667257473037 is 730374752766.

It is a happy number.

It is not a de Polignac number, because 667257473037 - 2⁷ = 667257472909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667257473137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85225039 + ... + 85232867.

It is an arithmetic number, because the mean of its divisors is an integer number (28360886400).

Almost surely, 2^667257473037 is an apocalyptic number.

It is an amenable number.

667257473037 is a deficient number, since it is larger than the sum of its proper divisors (240290891763).

667257473037 is a wasteful number, since it uses less digits than its factorization.

667257473037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10725.

The product of its (nonzero) digits is 31116960, while the sum is 57.

The spelling of 667257473037 in words is "six hundred sixty-seven billion, two hundred fifty-seven million, four hundred seventy-three thousand, thirty-seven".