16491082 has 16 divisors (see below), whose sum is σ = 25696800. Its totient is φ = 7927920.

The previous prime is 16491029. The next prime is 16491089. The reversal of 16491082 is 28019461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16491089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18769 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (1606050).

Almost surely, 2^16491082 is an apocalyptic number.

16491082 is a deficient number, since it is larger than the sum of its proper divisors (9205718).

16491082 is a wasteful number, since it uses less digits than its factorization.

16491082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

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

The square root of 16491082 is about 4060.9213240347. The cubic root of 16491082 is about 254.5362942823.

The spelling of 16491082 in words is "sixteen million, four hundred ninety-one thousand, eighty-two".