16554433316764 has 24 divisors (see below), whose sum is σ = 33436677199968. Its totient is φ = 7024512014400.

The previous prime is 16554433316747. The next prime is 16554433316857. The reversal of 16554433316764 is 46761333445561.

It is a junction number, because it is equal to n+sod(n) for n = 16554433316699 and 16554433316708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926877179 + ... + 2926882834.

It is an arithmetic number, because the mean of its divisors is an integer number (1393194883332).

Almost surely, 2^{16554433316764} is an apocalyptic number.

16554433316764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16554433316764 is an abundant number, since it is smaller than the sum of its proper divisors (16882243883204).

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

16554433316764 is a wasteful number, since it uses less digits than its factorization.

16554433316764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853760125 (or 5853760123 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 58.

The spelling of 16554433316764 in words is "sixteen trillion, five hundred fifty-four billion, four hundred thirty-three million, three hundred sixteen thousand, seven hundred sixty-four".