2533364664 has 32 divisors (see below), whose sum is σ = 6334671120. Its totient is φ = 844286976.

The previous prime is 2533364657. The next prime is 2533364689. The reversal of 2533364664 is 4664633352.

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, 194154 + ... + 206790.

Almost surely, 2^2533364664 is an apocalyptic number.

2533364664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2533364664 is an abundant number, since it is smaller than the sum of its proper divisors (3801306456).

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

2533364664 is a wasteful number, since it uses less digits than its factorization.

2533364664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20999 (or 20995 counting only the distinct ones).

The product of its digits is 933120, while the sum is 42.

The square root of 2533364664 is about 50332.5408061226. The cubic root of 2533364664 is about 1363.2198549878.

The spelling of 2533364664 in words is "two billion, five hundred thirty-three million, three hundred sixty-four thousand, six hundred sixty-four".