25018160672 has 18 divisors (see below), whose sum is σ = 49256265429. Its totient is φ = 12508632960.

The previous prime is 25018160663. The next prime is 25018160701. The reversal of 25018160672 is 27606181052.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 23093057296 + 1925103376 = 151964^2 + 43876^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=111844.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 880772 + ... + 908732.

Almost surely, 2^25018160672 is an apocalyptic number.

It is an amenable number.

25018160672 is a deficient number, since it is larger than the sum of its proper divisors (24238104757).

25018160672 is an frugal number, since it uses more digits than its factorization.

25018160672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55932 (or 27963 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 25018160672 in words is "twenty-five billion, eighteen million, one hundred sixty thousand, six hundred seventy-two".