18804552108 has 24 divisors (see below), whose sum is σ = 46458305712. Its totient is φ = 5899467264.

The previous prime is 18804552103. The next prime is 18804552113. The reversal of 18804552108 is 80125540881.

It is an interprime number because it is at equal distance from previous prime (18804552103) and next prime (18804552113).

It is a super-2 number, since 2×18804552108² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18804552108.

It is not an unprimeable number, because it can be changed into a prime (18804552103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46089385 + ... + 46089792.

It is an arithmetic number, because the mean of its divisors is an integer number (1935762738).

Almost surely, 2^18804552108 is an apocalyptic number.

It is an amenable number.

18804552108 is an abundant number, since it is smaller than the sum of its proper divisors (27653753604).

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

18804552108 is a wasteful number, since it uses less digits than its factorization.

18804552108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92179201 (or 92179199 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The spelling of 18804552108 in words is "eighteen billion, eight hundred four million, five hundred fifty-two thousand, one hundred eight".