25330162137 has 16 divisors (see below), whose sum is σ = 39141983232. Its totient is φ = 14270513040.

The previous prime is 25330162127. The next prime is 25330162159. The reversal of 25330162137 is 73126103352.

It is not a de Polignac number, because 25330162137 - 2⁶ = 25330162073 is a prime.

It is a super-2 number, since 2×25330162137² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25330162098 and 25330162107.

It is not an unprimeable number, because it can be changed into a prime (25330162127) 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, 8492863 + ... + 8495844.

It is an arithmetic number, because the mean of its divisors is an integer number (2446373952).

Almost surely, 2^25330162137 is an apocalyptic number.

It is an amenable number.

25330162137 is a deficient number, since it is larger than the sum of its proper divisors (13811821095).

25330162137 is a wasteful number, since it uses less digits than its factorization.

25330162137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16988788.

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 25330162137 its reverse (73126103352), we get a palindrome (98456265489).

The spelling of 25330162137 in words is "twenty-five billion, three hundred thirty million, one hundred sixty-two thousand, one hundred thirty-seven".