25623353164 has 12 divisors (see below), whose sum is σ = 45100065024. Its totient is φ = 12737620304.

The previous prime is 25623353143. The next prime is 25623353179. The reversal of 25623353164 is 46135332652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18513292 + ... + 18514675.

It is an arithmetic number, because the mean of its divisors is an integer number (3758338752).

Almost surely, 2^25623353164 is an apocalyptic number.

It is an amenable number.

25623353164 is a deficient number, since it is larger than the sum of its proper divisors (19476711860).

25623353164 is a wasteful number, since it uses less digits than its factorization.

25623353164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37028144 (or 37028142 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The spelling of 25623353164 in words is "twenty-five billion, six hundred twenty-three million, three hundred fifty-three thousand, one hundred sixty-four".