2516664025 has 24 divisors (see below), whose sum is σ = 3270147840. Its totient is φ = 1917632640.

The previous prime is 2516664023. The next prime is 2516664067. The reversal of 2516664025 is 5204666152.

It is not a de Polignac number, because 2516664025 - 2¹ = 2516664023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2516664023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128269 + ... + 146581.

It is an arithmetic number, because the mean of its divisors is an integer number (136256160).

Almost surely, 2^2516664025 is an apocalyptic number.

2516664025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516664025 is a deficient number, since it is larger than the sum of its proper divisors (753483815).

2516664025 is a wasteful number, since it uses less digits than its factorization.

2516664025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585 (or 18580 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2516664025 is about 50166.3634819188. The cubic root of 2516664025 is about 1360.2176743928.

The spelling of 2516664025 in words is "two billion, five hundred sixteen million, six hundred sixty-four thousand, twenty-five".