670134561 has 16 divisors (see below), whose sum is σ = 906151488. Its totient is φ = 440481600.

The previous prime is 670134551. The next prime is 670134599. The reversal of 670134561 is 165431076.

670134561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670134561 - 2⁵ = 670134529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670134551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56271 + ... + 67131.

It is an arithmetic number, because the mean of its divisors is an integer number (56634468).

Almost surely, 2^670134561 is an apocalyptic number.

It is an amenable number.

670134561 is a deficient number, since it is larger than the sum of its proper divisors (236016927).

670134561 is a wasteful number, since it uses less digits than its factorization.

670134561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 670134561 is about 25886.9573530765. The cubic root of 670134561 is about 875.0925881888.

The spelling of 670134561 in words is "six hundred seventy million, one hundred thirty-four thousand, five hundred sixty-one".