16554433323051 has 32 divisors (see below), whose sum is σ = 26413249504320. Its totient is φ = 10186719501312.

The previous prime is 16554433322989. The next prime is 16554433323061. The reversal of 16554433323051 is 15032333445561.

16554433323051 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 4 + 4 + 3 + 332 + 305 + 1 = 666.

It is not a de Polignac number, because 16554433323051 - 2⁷ = 16554433322923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16554433322988 and 16554433323006.

It is not an unprimeable number, because it can be changed into a prime (16554433323061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4325941 + ... + 7198793.

It is an arithmetic number, because the mean of its divisors is an integer number (825414047010).

Almost surely, 2^{16554433323051} is an apocalyptic number.

16554433323051 is a deficient number, since it is larger than the sum of its proper divisors (9858816181269).

16554433323051 is a wasteful number, since it uses less digits than its factorization.

16554433323051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889292 (or 2889286 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 16554433323051 in words is "sixteen trillion, five hundred fifty-four billion, four hundred thirty-three million, three hundred twenty-three thousand, fifty-one".