670556466 has 48 divisors (see below), whose sum is σ = 1540539000. Its totient is φ = 210069504.

The previous prime is 670556459. The next prime is 670556507. The reversal of 670556466 is 664655076.

It can be written as a sum of positive squares in 4 ways, for example, as 641558241 + 28998225 = 25329^2 + 5385^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319950 + ... + 322038.

Almost surely, 2^670556466 is an apocalyptic number.

670556466 is an abundant number, since it is smaller than the sum of its proper divisors (869982534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670556466 is a wasteful number, since it uses less digits than its factorization.

670556466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 670556466 is about 25895.1050586786. The cubic root of 670556466 is about 875.2761973250.

The spelling of 670556466 in words is "six hundred seventy million, five hundred fifty-six thousand, four hundred sixty-six".