18271300552 has 16 divisors (see below), whose sum is σ = 35363808000. Its totient is φ = 8840951760.

The previous prime is 18271300549. The next prime is 18271300571. The reversal of 18271300552 is 25500317281.

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, 36837052 + ... + 36837547.

It is an arithmetic number, because the mean of its divisors is an integer number (2210238000).

Almost surely, 2^18271300552 is an apocalyptic number.

It is an amenable number.

18271300552 is a deficient number, since it is larger than the sum of its proper divisors (17092507448).

18271300552 is a wasteful number, since it uses less digits than its factorization.

18271300552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73674636 (or 73674632 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 18271300552 in words is "eighteen billion, two hundred seventy-one million, three hundred thousand, five hundred fifty-two".