100691699 has 4 divisors (see below), whose sum is σ = 101904936. Its totient is φ = 99478464.

The previous prime is 100691671. The next prime is 100691707. The reversal of 100691699 is 996196001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100691699 - 2⁸ = 100691443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100691609) 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 3 ways as a sum of consecutive naturals, for example, 606494 + ... + 606659.

It is an arithmetic number, because the mean of its divisors is an integer number (25476234).

Almost surely, 2^100691699 is an apocalyptic number.

100691699 is a deficient number, since it is larger than the sum of its proper divisors (1213237).

100691699 is an equidigital number, since it uses as much as digits as its factorization.

100691699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213236.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 100691699 is about 10034.5253500103. The cubic root of 100691699 is about 465.2266194107.

The spelling of 100691699 in words is "one hundred million, six hundred ninety-one thousand, six hundred ninety-nine".