670557601 has 12 divisors (see below), whose sum is σ = 796635648. Its totient is φ = 562532712.

The previous prime is 670557593. The next prime is 670557607. The reversal of 670557601 is 106755076.

It is not a de Polignac number, because 670557601 - 2³ = 670557593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670557607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143281 + ... + 147886.

It is an arithmetic number, because the mean of its divisors is an integer number (66386304).

Almost surely, 2^670557601 is an apocalyptic number.

It is an amenable number.

670557601 is a deficient number, since it is larger than the sum of its proper divisors (126078047).

670557601 is a wasteful number, since it uses less digits than its factorization.

670557601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291228 (or 291221 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 670557601 is about 25895.1269740081. The cubic root of 670557601 is about 875.2766911626.

The spelling of 670557601 in words is "six hundred seventy million, five hundred fifty-seven thousand, six hundred one".