670625599688 has 36 divisors (see below), whose sum is σ = 1382178619185. Its totient is φ = 304818236800.

The previous prime is 670625599681. The next prime is 670625599757. The reversal of 670625599688 is 886995526076.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 494408672164 + 176216927524 = 703142^2 + 419782^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=579062.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670625599681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25465568 + ... + 25491888.

Almost surely, 2^670625599688 is an apocalyptic number.

It is an amenable number.

670625599688 is an abundant number, since it is smaller than the sum of its proper divisors (711553019497).

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

670625599688 is an frugal number, since it uses more digits than its factorization.

670625599688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52670 (or 26334 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 71.

The spelling of 670625599688 in words is "six hundred seventy billion, six hundred twenty-five million, five hundred ninety-nine thousand, six hundred eighty-eight".