16366872218280 has 64 divisors (see below), whose sum is σ = 49120932219840. Its totient is φ = 4362693430272.

The previous prime is 16366872218251. The next prime is 16366872218329. The reversal of 16366872218280 is 8281227866361.

It is a super-3 number, since 3×16366872218280³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27924814 + ... + 28504893.

It is an arithmetic number, because the mean of its divisors is an integer number (767514565935).

Almost surely, 2^{16366872218280} is an apocalyptic number.

16366872218280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16366872218280 is an abundant number, since it is smaller than the sum of its proper divisors (32754060001560).

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

16366872218280 is a wasteful number, since it uses less digits than its factorization.

16366872218280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56432138 (or 56432134 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 16366872218280 in words is "sixteen trillion, three hundred sixty-six billion, eight hundred seventy-two million, two hundred eighteen thousand, two hundred eighty".