16556064366023 has 32 divisors (see below), whose sum is σ = 20537595133440. Its totient is φ = 12995919780480.

The previous prime is 16556064366007. The next prime is 16556064366029. The reversal of 16556064366023 is 32066346065561.

It is not a de Polignac number, because 16556064366023 - 2⁴ = 16556064366007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16556064366029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46038608 + ... + 46396826.

It is an arithmetic number, because the mean of its divisors is an integer number (641799847920).

Almost surely, 2^{16556064366023} is an apocalyptic number.

16556064366023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16556064366023 is a deficient number, since it is larger than the sum of its proper divisors (3981530767417).

16556064366023 is a wasteful number, since it uses less digits than its factorization.

16556064366023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362247.

The product of its (nonzero) digits is 13996800, while the sum is 53.

The spelling of 16556064366023 in words is "sixteen trillion, five hundred fifty-six billion, sixty-four million, three hundred sixty-six thousand, twenty-three".