108665697 has 32 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 59367168.

The previous prime is 108665677. The next prime is 108665699. The reversal of 108665697 is 796566801.

It is not a de Polignac number, because 108665697 - 2⁷ = 108665569 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (108665699) 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, 65563 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^108665697 is an apocalyptic number.

It is an amenable number.

108665697 is a deficient number, since it is larger than the sum of its proper divisors (64307103).

108665697 is a wasteful number, since it uses less digits than its factorization.

108665697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 108665697 is about 10424.2840041894. The cubic root of 108665697 is about 477.1967640603.

The spelling of 108665697 in words is "one hundred eight million, six hundred sixty-five thousand, six hundred ninety-seven".