16494331 has 12 divisors (see below), whose sum is σ = 19434720. Its totient is φ = 13955760.

The previous prime is 16494329. The next prime is 16494347. The reversal of 16494331 is 13349461.

It is not a de Polignac number, because 16494331 - 2¹ = 16494329 is a prime.

It is a super-2 number, since 2×16494331² = 544125910275122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16494293 and 16494302.

It is not an unprimeable number, because it can be changed into a prime (16494311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1741 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (1619560).

Almost surely, 2^16494331 is an apocalyptic number.

16494331 is a deficient number, since it is larger than the sum of its proper divisors (2940389).

16494331 is an equidigital number, since it uses as much as digits as its factorization.

16494331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4347 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 16494331 is about 4061.3213367080. The cubic root of 16494331 is about 254.5530090561.

The spelling of 16494331 in words is "sixteen million, four hundred ninety-four thousand, three hundred thirty-one".