633476664 has 24 divisors (see below), whose sum is σ = 1715666160. Its totient is φ = 211158864.

The previous prime is 633476647. The next prime is 633476671. The reversal of 633476664 is 466674336.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4399072 + ... + 4399215.

It is an arithmetic number, because the mean of its divisors is an integer number (71486090).

Almost surely, 2^633476664 is an apocalyptic number.

It is an amenable number.

633476664 is an abundant number, since it is smaller than the sum of its proper divisors (1082189496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633476664 is a wasteful number, since it uses less digits than its factorization.

633476664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798299 (or 8798292 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 45.

The square root of 633476664 is about 25168.9623147241. The cubic root of 633476664 is about 858.8359336340.

The spelling of 633476664 in words is "six hundred thirty-three million, four hundred seventy-six thousand, six hundred sixty-four".