16164323541 has 12 divisors (see below), whose sum is σ = 23352939168. Its totient is φ = 10774151784.

The previous prime is 16164323491. The next prime is 16164323551. The reversal of 16164323541 is 14532346161.

16164323541 is a `hidden beast` number, since 1 + 6 + 1 + 643 + 2 + 3 + 5 + 4 + 1 = 666.

It is not a de Polignac number, because 16164323541 - 2¹¹ = 16164321493 is a prime.

It is a super-2 number, since 2×16164323541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16164323496 and 16164323505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164323551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121615 + ... + 217068.

It is an arithmetic number, because the mean of its divisors is an integer number (1946078264).

Almost surely, 2^16164323541 is an apocalyptic number.

It is an amenable number.

16164323541 is a deficient number, since it is larger than the sum of its proper divisors (7188615627).

16164323541 is a wasteful number, since it uses less digits than its factorization.

16164323541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343992 (or 343989 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 16164323541 in words is "sixteen billion, one hundred sixty-four million, three hundred twenty-three thousand, five hundred forty-one".