16161264873 has 24 divisors (see below), whose sum is σ = 25180471680. Its totient is φ = 9929282400.

The previous prime is 16161264839. The next prime is 16161264881. The reversal of 16161264873 is 37846216161.

16161264873 is a `hidden beast` number, since 1 + 6 + 161 + 2 + 6 + 487 + 3 = 666.

16161264873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16161264873 - 2¹⁴ = 16161248489 is a prime.

It is a super-2 number, since 2×16161264873² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16161264883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39153 + ... + 183998.

It is an arithmetic number, because the mean of its divisors is an integer number (1049186320).

Almost surely, 2^16161264873 is an apocalyptic number.

16161264873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16161264873 is a deficient number, since it is larger than the sum of its proper divisors (9019206807).

16161264873 is a wasteful number, since it uses less digits than its factorization.

16161264873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223789 (or 223786 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The spelling of 16161264873 in words is "sixteen billion, one hundred sixty-one million, two hundred sixty-four thousand, eight hundred seventy-three".