16699101 has 4 divisors (see below), whose sum is σ = 22265472. Its totient is φ = 11132732.

The previous prime is 16699091. The next prime is 16699139. The reversal of 16699101 is 10199661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10199661 = 3 ⋅3399887.

It is a cyclic number.

It is not a de Polignac number, because 16699101 - 2⁹ = 16698589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16699141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783181 + ... + 2783186.

It is an arithmetic number, because the mean of its divisors is an integer number (5566368).

Almost surely, 2^16699101 is an apocalyptic number.

16699101 is the 2585-th centered pentagonal number.

It is an amenable number.

16699101 is a deficient number, since it is larger than the sum of its proper divisors (5566371).

16699101 is an equidigital number, since it uses as much as digits as its factorization.

16699101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566370.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 16699101 is about 4086.4533522359. The cubic root of 16699101 is about 255.6020683314.

The spelling of 16699101 in words is "sixteen million, six hundred ninety-nine thousand, one hundred one".