18597708448 has 24 divisors (see below), whose sum is σ = 39942806400. Its totient is φ = 8453503680.

The previous prime is 18597708419. The next prime is 18597708461. The reversal of 18597708448 is 84480779581.

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, 26416848 + ... + 26417551.

It is an arithmetic number, because the mean of its divisors is an integer number (1664283600).

Almost surely, 2^18597708448 is an apocalyptic number.

It is an amenable number.

18597708448 is an abundant number, since it is smaller than the sum of its proper divisors (21345097952).

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

18597708448 is a wasteful number, since it uses less digits than its factorization.

18597708448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52834420 (or 52834412 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 18597708448 in words is "eighteen billion, five hundred ninety-seven million, seven hundred eight thousand, four hundred forty-eight".