16164045455544 has 48 divisors (see below), whose sum is σ = 50031569268720. Its totient is φ = 4618298701440.

The previous prime is 16164045455521. The next prime is 16164045455587. The reversal of 16164045455544 is 44555454046161.

16164045455544 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 4 + 0 + 4 + 545 + 55 + 44 = 666.

It is a super-2 number, since 2×16164045455544² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16035758877 + ... + 16035759884.

It is an arithmetic number, because the mean of its divisors is an integer number (1042324359765).

Almost surely, 2^{16164045455544} is an apocalyptic number.

16164045455544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16164045455544 is an abundant number, since it is smaller than the sum of its proper divisors (33867523813176).

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

16164045455544 is a wasteful number, since it uses less digits than its factorization.

16164045455544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32071518780 (or 32071518773 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 54.

The spelling of 16164045455544 in words is "sixteen trillion, one hundred sixty-four billion, forty-five million, four hundred fifty-five thousand, five hundred forty-four".