670238390356 has 48 divisors (see below), whose sum is σ = 1267833978432. Its totient is φ = 308868595200.

The previous prime is 670238390329. The next prime is 670238390389. The reversal of 670238390356 is 653093832076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585691 + ... + 1297501.

It is an arithmetic number, because the mean of its divisors is an integer number (26413207884).

Almost surely, 2^670238390356 is an apocalyptic number.

It is an amenable number.

670238390356 is a deficient number, since it is larger than the sum of its proper divisors (597595588076).

670238390356 is a wasteful number, since it uses less digits than its factorization.

670238390356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712120 (or 712118 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 670238390356 in words is "six hundred seventy billion, two hundred thirty-eight million, three hundred ninety thousand, three hundred fifty-six".