16311494 has 16 divisors (see below), whose sum is σ = 25088400. Its totient is φ = 7951104.

The previous prime is 16311467. The next prime is 16311509. The reversal of 16311494 is 49411361.

It is a congruent number.

It is an unprimeable number.

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, 15662 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (1568025).

Almost surely, 2^16311494 is an apocalyptic number.

16311494 is a deficient number, since it is larger than the sum of its proper divisors (8776906).

16311494 is a wasteful number, since it uses less digits than its factorization.

16311494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its digits is 2592, while the sum is 29.

The square root of 16311494 is about 4038.7490637572. The cubic root of 16311494 is about 253.6089524881.

It can be divided in two parts, 1631 and 1494, that added together give a 5-th power (3125 = 5⁵).

The spelling of 16311494 in words is "sixteen million, three hundred eleven thousand, four hundred ninety-four".