100505150165 has 16 divisors (see below), whose sum is σ = 138211226112. Its totient is φ = 68730021504.

The previous prime is 100505150153. The next prime is 100505150191. The reversal of 100505150165 is 561051505001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100505150165 - 2²⁰ = 100504101589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3899384 + ... + 3925073.

It is an arithmetic number, because the mean of its divisors is an integer number (8638201632).

Almost surely, 2^100505150165 is an apocalyptic number.

It is an amenable number.

100505150165 is a deficient number, since it is larger than the sum of its proper divisors (37706075947).

100505150165 is an equidigital number, since it uses as much as digits as its factorization.

100505150165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7824836.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 100505150165 its reverse (561051505001), we get a palindrome (661556655166).

The spelling of 100505150165 in words is "one hundred billion, five hundred five million, one hundred fifty thousand, one hundred sixty-five".