109691699 has 16 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 99111936.

The previous prime is 109691689. The next prime is 109691719. The reversal of 109691699 is 996196901.

It is a cyclic number.

It is not a de Polignac number, because 109691699 - 2⁴ = 109691683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109691639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130322 + ... + 131160.

It is an arithmetic number, because the mean of its divisors is an integer number (7541100).

Almost surely, 2^109691699 is an apocalyptic number.

109691699 is a deficient number, since it is larger than the sum of its proper divisors (10965901).

109691699 is a wasteful number, since it uses less digits than its factorization.

109691699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 109691699 is about 10473.3804953320. The cubic root of 109691699 is about 478.6939306296.

The spelling of 109691699 in words is "one hundred nine million, six hundred ninety-one thousand, six hundred ninety-nine".