670060655 has 16 divisors (see below), whose sum is σ = 878580864. Its totient is φ = 486533280.

The previous prime is 670060637. The next prime is 670060667. The reversal of 670060655 is 556060076.

It is not a de Polignac number, because 670060655 - 2⁶ = 670060591 is a prime.

It is a Duffinian number.

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, 25892 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (54911304).

Almost surely, 2^670060655 is an apocalyptic number.

670060655 is a deficient number, since it is larger than the sum of its proper divisors (208520209).

670060655 is a wasteful number, since it uses less digits than its factorization.

670060655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19606.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 670060655 is about 25885.5298381161. The cubic root of 670060655 is about 875.0604170527.

The spelling of 670060655 in words is "six hundred seventy million, sixty thousand, six hundred fifty-five".