18552562487368 has 48 divisors (see below), whose sum is σ = 43578134425980. Its totient is φ = 7339475267712.

The previous prime is 18552562487323. The next prime is 18552562487387. The reversal of 18552562487368 is 86378426525581.

It can be written as a sum of positive squares in 2 ways, for example, as 15737073132004 + 2815489355364 = 3966998^2 + 1677942^2 .

It is a super-2 number, since 2×18552562487368² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18552562487297 and 18552562487306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820301271 + ... + 1820311462.

Almost surely, 2^{18552562487368} is an apocalyptic number.

It is an amenable number.

18552562487368 is an abundant number, since it is smaller than the sum of its proper divisors (25025571938612).

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

18552562487368 is a wasteful number, since it uses less digits than its factorization.

18552562487368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640612766 (or 3640612755 counting only the distinct ones).

The product of its digits is 774144000, while the sum is 70.

The spelling of 18552562487368 in words is "eighteen trillion, five hundred fifty-two billion, five hundred sixty-two million, four hundred eighty-seven thousand, three hundred sixty-eight".