101688099 has 8 divisors (see below), whose sum is σ = 139248720. Its totient is φ = 65959776.

The previous prime is 101688073. The next prime is 101688109. The reversal of 101688099 is 990886101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101688099 - 2⁹ = 101687587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101688099.

It is not an unprimeable number, because it can be changed into a prime (101688049) 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 7 ways as a sum of consecutive naturals, for example, 457944 + ... + 458165.

It is an arithmetic number, because the mean of its divisors is an integer number (17406090).

Almost surely, 2^101688099 is an apocalyptic number.

101688099 is a deficient number, since it is larger than the sum of its proper divisors (37560621).

101688099 is an equidigital number, since it uses as much as digits as its factorization.

101688099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916149.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 101688099 is about 10084.0517154564. The cubic root of 101688099 is about 466.7561434439.

The spelling of 101688099 in words is "one hundred one million, six hundred eighty-eight thousand, ninety-nine".