16202091 has 8 divisors (see below), whose sum is σ = 21623760. Its totient is φ = 10790912.

The previous prime is 16202089. The next prime is 16202101. The reversal of 16202091 is 19020261.

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

It is a cyclic number.

It is not a de Polignac number, because 16202091 - 2¹ = 16202089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16202891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311 + ... + 6143.

It is an arithmetic number, because the mean of its divisors is an integer number (2702970).

Almost surely, 2^16202091 is an apocalyptic number.

16202091 is a deficient number, since it is larger than the sum of its proper divisors (5421669).

16202091 is a wasteful number, since it uses less digits than its factorization.

16202091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 16202091 is about 4025.1821076816. The cubic root of 16202091 is about 253.0406856512.

The spelling of 16202091 in words is "sixteen million, two hundred two thousand, ninety-one".