16082489 has 4 divisors (see below), whose sum is σ = 16164324. Its totient is φ = 16000656.

The previous prime is 16082471. The next prime is 16082509. The reversal of 16082489 is 98428061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98428061 = 137 ⋅718453.

It can be written as a sum of positive squares in 2 ways, for example, as 14100025 + 1982464 = 3755^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 16082489 - 2⁸ = 16082233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16082449) 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, 40622 + ... + 41015.

It is an arithmetic number, because the mean of its divisors is an integer number (4041081).

Almost surely, 2^16082489 is an apocalyptic number.

It is an amenable number.

16082489 is a deficient number, since it is larger than the sum of its proper divisors (81835).

16082489 is an equidigital number, since it uses as much as digits as its factorization.

16082489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81834.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 16082489 is about 4010.2978692361. The cubic root of 16082489 is about 252.4165080292.

The spelling of 16082489 in words is "sixteen million, eighty-two thousand, four hundred eighty-nine".