108918963 has 12 divisors (see below), whose sum is σ = 165608040. Its totient is φ = 68790816.

The previous prime is 108918947. The next prime is 108918967. The reversal of 108918963 is 369819801.

It is not a de Polignac number, because 108918963 - 2⁴ = 108918947 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (108918967) 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, 318306 + ... + 318647.

It is an arithmetic number, because the mean of its divisors is an integer number (13800670).

Almost surely, 2^108918963 is an apocalyptic number.

108918963 is a deficient number, since it is larger than the sum of its proper divisors (56689077).

108918963 is a wasteful number, since it uses less digits than its factorization.

108918963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636978 (or 636975 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 108918963 is about 10436.4248188736. The cubic root of 108918963 is about 477.5672089092.

The spelling of 108918963 in words is "one hundred eight million, nine hundred eighteen thousand, nine hundred sixty-three".