16082491 has 4 divisors (see below), whose sum is σ = 16090984. Its totient is φ = 16074000.

The previous prime is 16082471. The next prime is 16082509. The reversal of 16082491 is 19428061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16082491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16082401) 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, 31 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (4022746).

Almost surely, 2^16082491 is an apocalyptic number.

16082491 is a deficient number, since it is larger than the sum of its proper divisors (8493).

16082491 is an equidigital number, since it uses as much as digits as its factorization.

16082491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 16082491 is about 4010.2981185942. The cubic root of 16082491 is about 252.4165184927.

The spelling of 16082491 in words is "sixteen million, eighty-two thousand, four hundred ninety-one".