109997163 has 32 divisors (see below), whose sum is σ = 166129920. Its totient is φ = 71922240.

The previous prime is 109997149. The next prime is 109997221. The reversal of 109997163 is 361799901.

It is not a de Polignac number, because 109997163 - 2⁵ = 109997131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109997663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484456 + ... + 484682.

It is an arithmetic number, because the mean of its divisors is an integer number (5191560).

Almost surely, 2^109997163 is an apocalyptic number.

109997163 is a deficient number, since it is larger than the sum of its proper divisors (56132757).

109997163 is a wasteful number, since it uses less digits than its factorization.

109997163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 109997163 is about 10487.9532321612. The cubic root of 109997163 is about 479.1378665017.

The spelling of 109997163 in words is "one hundred nine million, nine hundred ninety-seven thousand, one hundred sixty-three".