664010790770 has 16 divisors (see below), whose sum is σ = 1196390077848. Its totient is φ = 265344170880.

The previous prime is 664010790749. The next prime is 664010790803. The reversal of 664010790770 is 77097010466.

It can be written as a sum of positive squares in 4 ways, for example, as 652238757769 + 11772033001 = 807613^2 + 108499^2 .

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, 32507459 + ... + 32527878.

Almost surely, 2^664010790770 is an apocalyptic number.

664010790770 is a deficient number, since it is larger than the sum of its proper divisors (532379287078).

664010790770 is a wasteful number, since it uses less digits than its factorization.

664010790770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65036365.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 664010790770 in words is "six hundred sixty-four billion, ten million, seven hundred ninety thousand, seven hundred seventy".