25357672162 has 4 divisors (see below), whose sum is σ = 38036508246. Its totient is φ = 12678836080.

The previous prime is 25357672157. The next prime is 25357672177. The reversal of 25357672162 is 26127675352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25255884241 + 101787921 = 158921^2 + 10089^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339418039 + ... + 6339418042.

Almost surely, 2^25357672162 is an apocalyptic number.

25357672162 is a deficient number, since it is larger than the sum of its proper divisors (12678836084).

25357672162 is a wasteful number, since it uses less digits than its factorization.

25357672162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678836083.

The product of its digits is 1058400, while the sum is 46.

The spelling of 25357672162 in words is "twenty-five billion, three hundred fifty-seven million, six hundred seventy-two thousand, one hundred sixty-two".