18386070625 has 40 divisors (see below), whose sum is σ = 25818585408. Its totient is φ = 12986952000.

The previous prime is 18386070587. The next prime is 18386070649. The reversal of 18386070625 is 52607068381.

It is not a de Polignac number, because 18386070625 - 2⁷ = 18386070497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 137682 + ... + 236068.

Almost surely, 2^18386070625 is an apocalyptic number.

It is an amenable number.

18386070625 is a deficient number, since it is larger than the sum of its proper divisors (7432514783).

18386070625 is an equidigital number, since it uses as much as digits as its factorization.

18386070625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98443 (or 98428 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 18386070625 in words is "eighteen billion, three hundred eighty-six million, seventy thousand, six hundred twenty-five".