25062161564 has 12 divisors (see below), whose sum is σ = 47845944888. Its totient is φ = 11391891600.

The previous prime is 25062161539. The next prime is 25062161567. The reversal of 25062161564 is 46516126052.

It is a super-2 number, since 2×25062161564² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25062161567) 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 3 ways as a sum of consecutive naturals, for example, 284797247 + ... + 284797334.

It is an arithmetic number, because the mean of its divisors is an integer number (3987162074).

Almost surely, 2^25062161564 is an apocalyptic number.

It is an amenable number.

25062161564 is a deficient number, since it is larger than the sum of its proper divisors (22783783324).

25062161564 is a wasteful number, since it uses less digits than its factorization.

25062161564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569594596 (or 569594594 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 25062161564 in words is "twenty-five billion, sixty-two million, one hundred sixty-one thousand, five hundred sixty-four".