108201663 has 20 divisors (see below), whose sum is σ = 162019000. Its totient is φ = 71962992.

The previous prime is 108201649. The next prime is 108201679. The reversal of 108201663 is 366102801.

It is not a de Polignac number, because 108201663 - 2¹⁰ = 108200639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108201763) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39081 + ... + 41757.

It is an arithmetic number, because the mean of its divisors is an integer number (8100950).

Almost surely, 2^108201663 is an apocalyptic number.

108201663 is a deficient number, since it is larger than the sum of its proper divisors (53817337).

108201663 is an equidigital number, since it uses as much as digits as its factorization.

108201663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188 (or 3179 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 108201663 is about 10402.0028359927. The cubic root of 108201663 is about 476.5165387541.

The spelling of 108201663 in words is "one hundred eight million, two hundred one thousand, six hundred sixty-three".