108080691 has 16 divisors (see below), whose sum is σ = 146463744. Its totient is φ = 70883424.

The previous prime is 108080689. The next prime is 108080699. The reversal of 108080691 is 196080801.

It is not a de Polignac number, because 108080691 - 2¹ = 108080689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108080699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68190 + ... + 69756.

It is an arithmetic number, because the mean of its divisors is an integer number (9153984).

Almost surely, 2^108080691 is an apocalyptic number.

108080691 is a deficient number, since it is larger than the sum of its proper divisors (38383053).

108080691 is a wasteful number, since it uses less digits than its factorization.

108080691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 108080691 is about 10396.1863680871. The cubic root of 108080691 is about 476.3388869714.

The spelling of 108080691 in words is "one hundred eight million, eighty thousand, six hundred ninety-one".