105156216663 has 12 divisors (see below), whose sum is σ = 142624992888. Its totient is φ = 68915931760.

The previous prime is 105156216629. The next prime is 105156216691. The reversal of 105156216663 is 366612651501.

It is not a de Polignac number, because 105156216663 - 2²⁵ = 105122662231 is a prime.

It is a super-2 number, since 2×105156216663² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105156212663) 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, 5024328 + ... + 5045213.

It is an arithmetic number, because the mean of its divisors is an integer number (11885416074).

Almost surely, 2^105156216663 is an apocalyptic number.

105156216663 is a deficient number, since it is larger than the sum of its proper divisors (37468776225).

105156216663 is an equidigital number, since it uses as much as digits as its factorization.

105156216663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069662 (or 10069603 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 105156216663 in words is "one hundred five billion, one hundred fifty-six million, two hundred sixteen thousand, six hundred sixty-three".