18055874948 has 6 divisors (see below), whose sum is σ = 31597781166. Its totient is φ = 9027937472.

The previous prime is 18055874929. The next prime is 18055874951. The reversal of 18055874948 is 84947855081.

It can be written as a sum of positive squares in only one way, i.e., 16396290304 + 1659584644 = 128048^2 + 40738^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2256984365 + ... + 2256984372.

It is an arithmetic number, because the mean of its divisors is an integer number (5266296861).

Almost surely, 2^18055874948 is an apocalyptic number.

It is an amenable number.

18055874948 is a deficient number, since it is larger than the sum of its proper divisors (13541906218).

18055874948 is a wasteful number, since it uses less digits than its factorization.

18055874948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513968741 (or 4513968739 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 18055874948 in words is "eighteen billion, fifty-five million, eight hundred seventy-four thousand, nine hundred forty-eight".