11662233165 has 48 divisors (see below), whose sum is σ = 22067959680. Its totient is φ = 5650381440.

The previous prime is 11662233137. The next prime is 11662233173. The reversal of 11662233165 is 56133226611.

11662233165 is a `hidden beast` number, since 1 + 16 + 622 + 3 + 3 + 16 + 5 = 666.

It is not a de Polignac number, because 11662233165 - 2⁵ = 11662233133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 756151 + ... + 771419.

It is an arithmetic number, because the mean of its divisors is an integer number (459749160).

Almost surely, 2^11662233165 is an apocalyptic number.

11662233165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11662233165 is a deficient number, since it is larger than the sum of its proper divisors (10405726515).

11662233165 is a wasteful number, since it uses less digits than its factorization.

11662233165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16834 (or 16831 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 11662233165 its reverse (56133226611), we get a palindrome (67795459776).

The spelling of 11662233165 in words is "eleven billion, six hundred sixty-two million, two hundred thirty-three thousand, one hundred sixty-five".