16431674 has 16 divisors (see below), whose sum is σ = 29078016. Its totient is φ = 6814800.

The previous prime is 16431659. The next prime is 16431689. The reversal of 16431674 is 47613461.

It is an interprime number because it is at equal distance from previous prime (16431659) and next prime (16431689).

It is a self number, because there is not a number n which added to its sum of digits gives 16431674.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18497 + ... + 19364.

It is an arithmetic number, because the mean of its divisors is an integer number (1817376).

Almost surely, 2^16431674 is an apocalyptic number.

16431674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16431674 is a deficient number, since it is larger than the sum of its proper divisors (12646342).

16431674 is a wasteful number, since it uses less digits than its factorization.

16431674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37901.

The product of its digits is 12096, while the sum is 32.

The square root of 16431674 is about 4053.6001282810. The cubic root of 16431674 is about 254.2302766289.

The spelling of 16431674 in words is "sixteen million, four hundred thirty-one thousand, six hundred seventy-four".