16165771941 has 12 divisors (see below), whose sum is σ = 23691985856. Its totient is φ = 9797437320.

The previous prime is 16165771931. The next prime is 16165771981. The reversal of 16165771941 is 14917756161.

16165771941 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 16165771941 - 2¹⁵ = 16165739173 is a prime.

It is a super-2 number, since 2×16165771941² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16165771931) 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 11 ways as a sum of consecutive naturals, for example, 22266541 + ... + 22267266.

Almost surely, 2^16165771941 is an apocalyptic number.

16165771941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16165771941 is a deficient number, since it is larger than the sum of its proper divisors (7526213915).

16165771941 is a wasteful number, since it uses less digits than its factorization.

16165771941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44533832 (or 44533821 counting only the distinct ones).

The product of its digits is 317520, while the sum is 48.

The spelling of 16165771941 in words is "sixteen billion, one hundred sixty-five million, seven hundred seventy-one thousand, nine hundred forty-one".