16411091 has 4 divisors (see below), whose sum is σ = 16854672. Its totient is φ = 15967512.

The previous prime is 16411081. The next prime is 16411099. The reversal of 16411091 is 19011461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16411091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16411099) 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, 221735 + ... + 221808.

It is an arithmetic number, because the mean of its divisors is an integer number (4213668).

Almost surely, 2^16411091 is an apocalyptic number.

16411091 is a deficient number, since it is larger than the sum of its proper divisors (443581).

16411091 is an equidigital number, since it uses as much as digits as its factorization.

16411091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443580.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 16411091 is about 4051.0604784427. The cubic root of 16411091 is about 254.1240791257.

The spelling of 16411091 in words is "sixteen million, four hundred eleven thousand, ninety-one".