18206048056 has 64 divisors (see below), whose sum is σ = 39400058880. Its totient is φ = 7725552000.

The previous prime is 18206048053. The next prime is 18206048089. The reversal of 18206048056 is 65084060281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18206048053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427945 + ... + 2435431.

It is an arithmetic number, because the mean of its divisors is an integer number (615625920).

Almost surely, 2^18206048056 is an apocalyptic number.

It is an amenable number.

18206048056 is an abundant number, since it is smaller than the sum of its proper divisors (21194010824).

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

18206048056 is a wasteful number, since it uses less digits than its factorization.

18206048056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924 (or 7920 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 18206048056 in words is "eighteen billion, two hundred six million, forty-eight thousand, fifty-six".