25166151672 has 32 divisors (see below), whose sum is σ = 63262988880. Its totient is φ = 8342369280.

The previous prime is 25166151631. The next prime is 25166151677. The reversal of 25166151672 is 27615166152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25166151677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892313 + ... + 2901000.

Almost surely, 2^25166151672 is an apocalyptic number.

It is an amenable number.

25166151672 is an abundant number, since it is smaller than the sum of its proper divisors (38096837208).

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

25166151672 is a wasteful number, since it uses less digits than its factorization.

25166151672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793503 (or 5793499 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 25166151672 in words is "twenty-five billion, one hundred sixty-six million, one hundred fifty-one thousand, six hundred seventy-two".