746218633664 has 56 divisors (see below), whose sum is σ = 1693005747840. Its totient is φ = 319677878016.

The previous prime is 746218633621. The next prime is 746218633679. The reversal of 746218633664 is 466336812647.

746218633664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 767627 + ... + 1442805.

Almost surely, 2^746218633664 is an apocalyptic number.

It is an amenable number.

746218633664 is an abundant number, since it is smaller than the sum of its proper divisors (946787114176).

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

746218633664 is a wasteful number, since it uses less digits than its factorization.

746218633664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677665 (or 677655 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 56.

The spelling of 746218633664 in words is "seven hundred forty-six billion, two hundred eighteen million, six hundred thirty-three thousand, six hundred sixty-four".