100550161499 has 4 divisors (see below), whose sum is σ = 100551032064. Its totient is φ = 100549290936.

The previous prime is 100550161489. The next prime is 100550161501. The reversal of 100550161499 is 994161055001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 994161055001 = 202799 ⋅4902199.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100550161499 is a prime.

It is a super-2 number, since 2×100550161499² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100550161429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229652 + ... + 503825.

It is an arithmetic number, because the mean of its divisors is an integer number (25137758016).

Almost surely, 2^100550161499 is an apocalyptic number.

100550161499 is a deficient number, since it is larger than the sum of its proper divisors (870565).

100550161499 is an equidigital number, since it uses as much as digits as its factorization.

100550161499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870564.

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 100550161499 in words is "one hundred billion, five hundred fifty million, one hundred sixty-one thousand, four hundred ninety-nine".