25164668106 has 24 divisors (see below), whose sum is σ = 54526721184. Its totient is φ = 8387719080.

The previous prime is 25164668101. The next prime is 25164668107. The reversal of 25164668106 is 60186646152.

It is not an unprimeable number, because it can be changed into a prime (25164668101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381811 + ... + 442841.

It is an arithmetic number, because the mean of its divisors is an integer number (2271946716).

Almost surely, 2^25164668106 is an apocalyptic number.

25164668106 is an abundant number, since it is smaller than the sum of its proper divisors (29362053078).

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

25164668106 is a wasteful number, since it uses less digits than its factorization.

25164668106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83946 (or 83943 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 25164668106 in words is "twenty-five billion, one hundred sixty-four million, six hundred sixty-eight thousand, one hundred six".