16122311145 has 32 divisors (see below), whose sum is σ = 28672381440. Its totient is φ = 8595417600.

The previous prime is 16122311123. The next prime is 16122311189. The reversal of 16122311145 is 54111322161.

16122311145 is a `hidden beast` number, since 1 + 612 + 2 + 3 + 1 + 1 + 1 + 45 = 666.

It is not a de Polignac number, because 16122311145 - 2⁵ = 16122311113 is a prime.

It is a super-2 number, since 2×16122311145² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374745 + ... + 415545.

It is an arithmetic number, because the mean of its divisors is an integer number (896011920).

Almost surely, 2^16122311145 is an apocalyptic number.

16122311145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16122311145 is a deficient number, since it is larger than the sum of its proper divisors (12550070295).

16122311145 is a wasteful number, since it uses less digits than its factorization.

16122311145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43742 (or 43736 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The spelling of 16122311145 in words is "sixteen billion, one hundred twenty-two million, three hundred eleven thousand, one hundred forty-five".