16494159 has 16 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 9963360.

The previous prime is 16494091. The next prime is 16494167. The reversal of 16494159 is 95149461.

16494159 = T₆₆ + T₆₇ + ... + T₄₆₂.

It is not a de Polignac number, because 16494159 - 2⁷ = 16494031 is a prime.

It is a super-2 number, since 2×16494159² = 544114562234562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16494659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12472 + ... + 13730.

It is an arithmetic number, because the mean of its divisors is an integer number (1504440).

Almost surely, 2^16494159 is an apocalyptic number.

16494159 is a deficient number, since it is larger than the sum of its proper divisors (7576881).

16494159 is a wasteful number, since it uses less digits than its factorization.

16494159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its digits is 38880, while the sum is 39.

The square root of 16494159 is about 4061.3001612784. The cubic root of 16494159 is about 254.5521242416.

It can be divided in two parts, 16494 and 159, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 16494159 in words is "sixteen million, four hundred ninety-four thousand, one hundred fifty-nine".