264432654256664 has 64 divisors (see below), whose sum is σ = 511158533852160. Its totient is φ = 128177335874560.

The previous prime is 264432654256637. The next prime is 264432654256709. The reversal of 264432654256664 is 466652456234462.

It is a self number, because there is not a number n which added to its sum of digits gives 264432654256664.

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, 315039989 + ... + 315878235.

It is an arithmetic number, because the mean of its divisors is an integer number (7986852091440).

Almost surely, 2^{264432654256664} is an apocalyptic number.

It is an amenable number.

264432654256664 is a deficient number, since it is larger than the sum of its proper divisors (246725879595496).

264432654256664 is a wasteful number, since it uses less digits than its factorization.

264432654256664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846248 (or 846244 counting only the distinct ones).

The product of its digits is 1194393600, while the sum is 65.

The spelling of 264432654256664 in words is "two hundred sixty-four trillion, four hundred thirty-two billion, six hundred fifty-four million, two hundred fifty-six thousand, six hundred sixty-four".