2500166515 has 32 divisors (see below), whose sum is σ = 3746663424. Its totient is φ = 1555981440.

The previous prime is 2500166497. The next prime is 2500166609. The reversal of 2500166515 is 5156610052.

It is not a de Polignac number, because 2500166515 - 2¹¹ = 2500164467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244077 + ... + 254113.

It is an arithmetic number, because the mean of its divisors is an integer number (117083232).

Almost surely, 2^2500166515 is an apocalyptic number.

2500166515 is a deficient number, since it is larger than the sum of its proper divisors (1246496909).

2500166515 is a wasteful number, since it uses less digits than its factorization.

2500166515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 2500166515 is about 50001.6651222737. The cubic root of 2500166515 is about 1357.2389403784.

Adding to 2500166515 its reverse (5156610052), we get a palindrome (7656776567).

The spelling of 2500166515 in words is "two billion, five hundred million, one hundred sixty-six thousand, five hundred fifteen".