670217901626 has 32 divisors (see below), whose sum is σ = 1237448596608. Its totient is φ = 265114739520.

The previous prime is 670217901611. The next prime is 670217901637. The reversal of 670217901626 is 626109712076.

It is a super-2 number, since 2×670217901626² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702016 + ... + 2058468.

It is an arithmetic number, because the mean of its divisors is an integer number (38670268644).

Almost surely, 2^670217901626 is an apocalyptic number.

670217901626 is a deficient number, since it is larger than the sum of its proper divisors (567230694982).

670217901626 is a wasteful number, since it uses less digits than its factorization.

670217901626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366806.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 670217901626 in words is "six hundred seventy billion, two hundred seventeen million, nine hundred one thousand, six hundred twenty-six".