660471070 has 16 divisors (see below), whose sum is σ = 1358683488. Its totient is φ = 226447200.

The previous prime is 660471067. The next prime is 660471083. The reversal of 660471070 is 70174066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4717581 + ... + 4717720.

It is an arithmetic number, because the mean of its divisors is an integer number (84917718).

Almost surely, 2^660471070 is an apocalyptic number.

660471070 is an abundant number, since it is smaller than the sum of its proper divisors (698212418).

660471070 is a wasteful number, since it uses less digits than its factorization.

660471070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435315.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 660471070 is about 25699.6317094234. The cubic root of 660471070 is about 870.8658618884.

The spelling of 660471070 in words is "six hundred sixty million, four hundred seventy-one thousand, seventy".