18008467554 has 48 divisors (see below), whose sum is σ = 45706100256. Its totient is φ = 4677523200.

The previous prime is 18008467541. The next prime is 18008467567. The reversal of 18008467554 is 45576480081.

It is an interprime number because it is at equal distance from previous prime (18008467541) and next prime (18008467567).

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, 2781007 + ... + 2787474.

It is an arithmetic number, because the mean of its divisors is an integer number (952210422).

Almost surely, 2^18008467554 is an apocalyptic number.

18008467554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18008467554 is an abundant number, since it is smaller than the sum of its proper divisors (27697632702).

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

18008467554 is a wasteful number, since it uses less digits than its factorization.

18008467554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568511 (or 5568504 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 18008467554 in words is "eighteen billion, eight million, four hundred sixty-seven thousand, five hundred fifty-four".