11166165963 has 12 divisors (see below), whose sum is σ = 16134847768. Its totient is φ = 7441368480.

The previous prime is 11166165929. The next prime is 11166166007. The reversal of 11166165963 is 36956166111.

It is a happy number.

11166165963 is a `hidden beast` number, since 11 + 16 + 616 + 5 + 9 + 6 + 3 = 666.

It is not a de Polignac number, because 11166165963 - 2²² = 11161971659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11166165163) 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, 202570 + ... + 251727.

Almost surely, 2^11166165963 is an apocalyptic number.

11166165963 is a deficient number, since it is larger than the sum of its proper divisors (4968681805).

11166165963 is a wasteful number, since it uses less digits than its factorization.

11166165963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457034 (or 457031 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The spelling of 11166165963 in words is "eleven billion, one hundred sixty-six million, one hundred sixty-five thousand, nine hundred sixty-three".