25116164 has 6 divisors (see below), whose sum is σ = 43953294. Its totient is φ = 12558080.

The previous prime is 25116163. The next prime is 25116193. The reversal of 25116164 is 46161152.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 36100 = 5008^2 + 190^2 .

It is not an unprimeable number, because it can be changed into a prime (25116163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139517 + ... + 3139524.

It is an arithmetic number, because the mean of its divisors is an integer number (7325549).

Almost surely, 2^25116164 is an apocalyptic number.

It is an amenable number.

25116164 is a deficient number, since it is larger than the sum of its proper divisors (18837130).

25116164 is a wasteful number, since it uses less digits than its factorization.

25116164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279045 (or 6279043 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 25116164 is about 5011.6029371849. The cubic root of 25116164 is about 292.8539616323.

The spelling of 25116164 in words is "twenty-five million, one hundred sixteen thousand, one hundred sixty-four".