2515566164 has 24 divisors (see below), whose sum is σ = 4430496000. Its totient is φ = 1249728480.

The previous prime is 2515566133. The next prime is 2515566173. The reversal of 2515566164 is 4616655152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723422 + ... + 726890.

It is an arithmetic number, because the mean of its divisors is an integer number (184604000).

Almost surely, 2^2515566164 is an apocalyptic number.

It is an amenable number.

2515566164 is a deficient number, since it is larger than the sum of its proper divisors (1914929836).

2515566164 is a wasteful number, since it uses less digits than its factorization.

2515566164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583 (or 4581 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 2515566164 is about 50155.4200859688. The cubic root of 2515566164 is about 1360.0198533722.

It can be divided in two parts, 25155 and 66164, that added together give a palindrome (91319).

The spelling of 2515566164 in words is "two billion, five hundred fifteen million, five hundred sixty-six thousand, one hundred sixty-four".