18552966376 has 64 divisors (see below), whose sum is σ = 41512826880. Its totient is φ = 7600443840.

The previous prime is 18552966343. The next prime is 18552966379. The reversal of 18552966376 is 67366925581.

It is a super-2 number, since 2×18552966376² (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 18552966376.

It is not an unprimeable number, because it can be changed into a prime (18552966379) 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, 2354395 + ... + 2362261.

It is an arithmetic number, because the mean of its divisors is an integer number (648637920).

Almost surely, 2^18552966376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18552966376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756413440).

18552966376 is an abundant number, since it is smaller than the sum of its proper divisors (22959860504).

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

18552966376 is a wasteful number, since it uses less digits than its factorization.

18552966376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734 (or 9730 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 58.

The spelling of 18552966376 in words is "eighteen billion, five hundred fifty-two million, nine hundred sixty-six thousand, three hundred seventy-six".