18077306652 has 48 divisors (see below), whose sum is σ = 47661465600. Its totient is φ = 5923635120.

The previous prime is 18077306633. The next prime is 18077306659. The reversal of 18077306652 is 25660377081.

It is a junction number, because it is equal to n+sod(n) for n = 18077306598 and 18077306607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18077306659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412124 + ... + 1424867.

It is an arithmetic number, because the mean of its divisors is an integer number (992947200).

Almost surely, 2^18077306652 is an apocalyptic number.

18077306652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18077306652 is an abundant number, since it is smaller than the sum of its proper divisors (29584158948).

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

18077306652 is a wasteful number, since it uses less digits than its factorization.

18077306652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837063 (or 2837055 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 18077306652 in words is "eighteen billion, seventy-seven million, three hundred six thousand, six hundred fifty-two".