25164646152 has 64 divisors (see below), whose sum is σ = 63097894080. Its totient is φ = 8363427072.

The previous prime is 25164646099. The next prime is 25164646153.

25164646152 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25164646153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23022918 + ... + 23024010.

It is an arithmetic number, because the mean of its divisors is an integer number (985904595).

Almost surely, 2^25164646152 is an apocalyptic number.

It is an amenable number.

25164646152 is an abundant number, since it is smaller than the sum of its proper divisors (37933247928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25164646152 is a wasteful number, since it uses less digits than its factorization.

25164646152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3058 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 25164646152 in words is "twenty-five billion, one hundred sixty-four million, six hundred forty-six thousand, one hundred fifty-two".