2537966664 has 24 divisors (see below), whose sum is σ = 6873659910. Its totient is φ = 845988864.

The previous prime is 2537966623. The next prime is 2537966681. The reversal of 2537966664 is 4666697352.

It can be written as a sum of positive squares in only one way, i.e., 1661214564 + 876752100 = 40758^2 + 29610^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2537966664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17624697 + ... + 17624840.

Almost surely, 2^2537966664 is an apocalyptic number.

2537966664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2537966664 is an abundant number, since it is smaller than the sum of its proper divisors (4335693246).

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

2537966664 is a wasteful number, since it uses less digits than its factorization.

2537966664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35249549 (or 35249542 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The square root of 2537966664 is about 50378.2360151683. The cubic root of 2537966664 is about 1364.0448109506.

The spelling of 2537966664 in words is "two billion, five hundred thirty-seven million, nine hundred sixty-six thousand, six hundred sixty-four".