16163923133 has 2 divisors, whose sum is σ = 16163923134. Its totient is φ = 16163923132.

The previous prime is 16163923043. The next prime is 16163923147. The reversal of 16163923133 is 33132936161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13097200249 + 3066722884 = 114443^2 + 55378^2 .

It is a cyclic number.

It is not a de Polignac number, because 16163923133 - 2¹⁶ = 16163857597 is a prime.

It is a super-2 number, since 2×16163923133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16163923033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081961566 + 8081961567.

It is an arithmetic number, because the mean of its divisors is an integer number (8081961567).

Almost surely, 2^16163923133 is an apocalyptic number.

It is an amenable number.

16163923133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16163923133 is an equidigital number, since it uses as much as digits as its factorization.

16163923133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 38.

The spelling of 16163923133 in words is "sixteen billion, one hundred sixty-three million, nine hundred twenty-three thousand, one hundred thirty-three".