90338800163 has 4 divisors (see below), whose sum is σ = 90373642248. Its totient is φ = 90303958080.

The previous prime is 90338800117. The next prime is 90338800177. The reversal of 90338800163 is 36100883309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36100883309 = 41 ⋅880509349.

It is a cyclic number.

It is not a de Polignac number, because 90338800163 - 2⁶ = 90338800099 is a prime.

It is a super-2 number, since 2×90338800163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90338800163.

It is not an unprimeable number, because it can be changed into a prime (90338800103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17417153 + ... + 17422338.

It is an arithmetic number, because the mean of its divisors is an integer number (22593410562).

Almost surely, 2^90338800163 is an apocalyptic number.

90338800163 is a deficient number, since it is larger than the sum of its proper divisors (34842085).

90338800163 is a wasteful number, since it uses less digits than its factorization.

90338800163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34842084.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 90338800163 in words is "ninety billion, three hundred thirty-eight million, eight hundred thousand, one hundred sixty-three".