16792891 has 4 divisors (see below), whose sum is σ = 17109792. Its totient is φ = 16475992.

The previous prime is 16792883. The next prime is 16792907. The reversal of 16792891 is 19829761.

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 16792891 - 2³ = 16792883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16792091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158371 + ... + 158476.

It is an arithmetic number, because the mean of its divisors is an integer number (4277448).

Almost surely, 2^16792891 is an apocalyptic number.

16792891 is a deficient number, since it is larger than the sum of its proper divisors (316901).

16792891 is an equidigital number, since it uses as much as digits as its factorization.

16792891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316900.

The product of its digits is 54432, while the sum is 43.

The square root of 16792891 is about 4097.9130054212. The cubic root of 16792891 is about 256.0797023560.

The spelling of 16792891 in words is "sixteen million, seven hundred ninety-two thousand, eight hundred ninety-one".