25450106164 has 12 divisors (see below), whose sum is σ = 50900212384. Its totient is φ = 10907188344.

The previous prime is 25450106153. The next prime is 25450106167. The reversal of 25450106164 is 46160105452.

25450106164 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25450106167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454466154 + ... + 454466209.

Almost surely, 2^25450106164 is an apocalyptic number.

It is an amenable number.

25450106164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25450106164 is a wasteful number, since it uses less digits than its factorization.

25450106164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908932374 (or 908932372 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 25450106164 in words is "twenty-five billion, four hundred fifty million, one hundred six thousand, one hundred sixty-four".