25664462601162 has 128 divisors (see below), whose sum is σ = 64086643998720. Its totient is φ = 6656500416960.

The previous prime is 25664462601137. The next prime is 25664462601163. The reversal of 25664462601162 is 26110626446652.

It is not an unprimeable number, because it can be changed into a prime (25664462601163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2793558333 + ... + 2793567519.

It is an arithmetic number, because the mean of its divisors is an integer number (500676906240).

Almost surely, 2^{25664462601162} is an apocalyptic number.

25664462601162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25664462601162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32043321999360).

25664462601162 is an abundant number, since it is smaller than the sum of its proper divisors (38422181397558).

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

25664462601162 is a wasteful number, since it uses less digits than its factorization.

25664462601162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17256.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 25664462601162 in words is "twenty-five trillion, six hundred sixty-four billion, four hundred sixty-two million, six hundred one thousand, one hundred sixty-two".