2107663625 has 8 divisors (see below), whose sum is σ = 2630364360. Its totient is φ = 1686130800.

The previous prime is 2107663609. The next prime is 2107663661. The reversal of 2107663625 is 5263667012.

It can be written as a sum of positive squares in 4 ways, for example, as 670343881 + 1437319744 = 25891^2 + 37912^2 .

It is not a de Polignac number, because 2107663625 - 2⁴ = 2107663609 is a prime.

It is a super-2 number, since 2×2107663625² = 8884491912296281250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8430530 + ... + 8430779.

It is an arithmetic number, because the mean of its divisors is an integer number (328795545).

Almost surely, 2^2107663625 is an apocalyptic number.

2107663625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2107663625 is a deficient number, since it is larger than the sum of its proper divisors (522700735).

2107663625 is an equidigital number, since it uses as much as digits as its factorization.

2107663625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861324 (or 16861314 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2107663625 is about 45909.2978055644. The cubic root of 2107663625 is about 1282.1350323797.

The spelling of 2107663625 in words is "two billion, one hundred seven million, six hundred sixty-three thousand, six hundred twenty-five".