660202620604 has 24 divisors (see below), whose sum is σ = 1161718362000. Its totient is φ = 328286365440.

The previous prime is 660202620557. The next prime is 660202620613. The reversal of 660202620604 is 406026202066.

660202620604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 660202620604.

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, 397947 + ... + 1216045.

It is an arithmetic number, because the mean of its divisors is an integer number (48404931750).

Almost surely, 2^660202620604 is an apocalyptic number.

It is an amenable number.

660202620604 is a deficient number, since it is larger than the sum of its proper divisors (501515741396).

660202620604 is a wasteful number, since it uses less digits than its factorization.

660202620604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819213 (or 819211 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 660202620604 in words is "six hundred sixty billion, two hundred two million, six hundred twenty thousand, six hundred four".