25578151164 has 60 divisors (see below), whose sum is σ = 67347511000. Its totient is φ = 8464696992.

The previous prime is 25578151163. The next prime is 25578151187. The reversal of 25578151164 is 46115187552.

25578151164 is a `hidden beast` number, since 2 + 5 + 5 + 78 + 1 + 511 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25578151163) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 238939 + ... + 329010.

Almost surely, 2^25578151164 is an apocalyptic number.

It is an amenable number.

25578151164 is an abundant number, since it is smaller than the sum of its proper divisors (41769359836).

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

25578151164 is a wasteful number, since it uses less digits than its factorization.

25578151164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568104 (or 568093 counting only the distinct ones).

The product of its digits is 336000, while the sum is 45.

The spelling of 25578151164 in words is "twenty-five billion, five hundred seventy-eight million, one hundred fifty-one thousand, one hundred sixty-four".