18148508574 has 48 divisors (see below), whose sum is σ = 42915284496. Its totient is φ = 5100278400.

The previous prime is 18148508569. The next prime is 18148508617. The reversal of 18148508574 is 47580584181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488047 + ... + 523914.

It is an arithmetic number, because the mean of its divisors is an integer number (894068427).

Almost surely, 2^18148508574 is an apocalyptic number.

18148508574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18148508574 is an abundant number, since it is smaller than the sum of its proper divisors (24766775922).

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

18148508574 is a wasteful number, since it uses less digits than its factorization.

18148508574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012041 (or 1012034 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 51.

The spelling of 18148508574 in words is "eighteen billion, one hundred forty-eight million, five hundred eight thousand, five hundred seventy-four".