11622356165 has 32 divisors (see below), whose sum is σ = 16514979840. Its totient is φ = 7683667200.

The previous prime is 11622356143. The next prime is 11622356173. The reversal of 11622356165 is 56165322611.

It is not a de Polignac number, because 11622356165 - 2⁶ = 11622356101 is a prime.

It is a super-2 number, since 2×11622356165² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271955 + ... + 311775.

It is an arithmetic number, because the mean of its divisors is an integer number (516093120).

Almost surely, 2^11622356165 is an apocalyptic number.

It is an amenable number.

11622356165 is a deficient number, since it is larger than the sum of its proper divisors (4892623675).

11622356165 is a wasteful number, since it uses less digits than its factorization.

11622356165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40133.

The product of its digits is 64800, while the sum is 38.

Adding to 11622356165 its reverse (56165322611), we get a palindrome (67787678776).

The spelling of 11622356165 in words is "eleven billion, six hundred twenty-two million, three hundred fifty-six thousand, one hundred sixty-five".