25130301664 has 72 divisors (see below), whose sum is σ = 56233268280. Its totient is φ = 10988082432.

The previous prime is 25130301661. The next prime is 25130301671. The reversal of 25130301664 is 46610303152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130301661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66507 + ... + 233845.

It is an arithmetic number, because the mean of its divisors is an integer number (781017615).

Almost surely, 2^25130301664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25130301664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28116634140).

25130301664 is an abundant number, since it is smaller than the sum of its proper divisors (31102966616).

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

25130301664 is a wasteful number, since it uses less digits than its factorization.

25130301664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167400 (or 167373 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 25130301664 in words is "twenty-five billion, one hundred thirty million, three hundred one thousand, six hundred sixty-four".