664562484502 has 8 divisors (see below), whose sum is σ = 1139249973456. Its totient is φ = 284812493352.

The previous prime is 664562484497. The next prime is 664562484581. The reversal of 664562484502 is 205484265466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 664562484502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23734374433 + ... + 23734374460.

It is an arithmetic number, because the mean of its divisors is an integer number (142406246682).

Almost surely, 2^664562484502 is an apocalyptic number.

664562484502 is a deficient number, since it is larger than the sum of its proper divisors (474687488954).

664562484502 is a wasteful number, since it uses less digits than its factorization.

664562484502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47468748902.

The product of its (nonzero) digits is 11059200, while the sum is 52.

The spelling of 664562484502 in words is "six hundred sixty-four billion, five hundred sixty-two million, four hundred eighty-four thousand, five hundred two".