664504061400662 has 32 divisors (see below), whose sum is σ = 1150468535483904. Its totient is φ = 281959021137600.

The previous prime is 664504061400659. The next prime is 664504061400791. The reversal of 664504061400662 is 266004160405466.

It is a self number, because there is not a number n which added to its sum of digits gives 664504061400662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45478664 + ... + 58286507.

It is an arithmetic number, because the mean of its divisors is an integer number (35952141733872).

Almost surely, 2^{664504061400662} is an apocalyptic number.

664504061400662 is a deficient number, since it is larger than the sum of its proper divisors (485964474083242).

664504061400662 is a wasteful number, since it uses less digits than its factorization.

664504061400662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103769724.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 664504061400662 in words is "six hundred sixty-four trillion, five hundred four billion, sixty-one million, four hundred thousand, six hundred sixty-two".