2533169664 has 60 divisors (see below), whose sum is σ = 7310912466. Its totient is φ = 844388352.

The previous prime is 2533169651. The next prime is 2533169671. The reversal of 2533169664 is 4669613352.

It can be written as a sum of positive squares in only one way, i.e., 2420640000 + 112529664 = 49200^2 + 10608^2 .

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, 270259 + ... + 279474.

Almost surely, 2^2533169664 is an apocalyptic number.

2533169664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2533169664 is an abundant number, since it is smaller than the sum of its proper divisors (4777742802).

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

2533169664 is an equidigital number, since it uses as much as digits as its factorization.

2533169664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549757 (or 549738 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 2533169664 is about 50330.6036522512. The cubic root of 2533169664 is about 1363.1848771714.

The spelling of 2533169664 in words is "two billion, five hundred thirty-three million, one hundred sixty-nine thousand, six hundred sixty-four".