16040986 has 8 divisors (see below), whose sum is σ = 25912404. Its totient is φ = 7403520.

The previous prime is 16040977. The next prime is 16041001. The reversal of 16040986 is 68904061.

It can be written as a sum of positive squares in 2 ways, for example, as 16040025 + 961 = 4005^2 + 31^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308455 + ... + 308506.

Almost surely, 2^16040986 is an apocalyptic number.

16040986 is a deficient number, since it is larger than the sum of its proper divisors (9871418).

16040986 is a wasteful number, since it uses less digits than its factorization.

16040986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616976.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 16040986 is about 4005.1199732343. The cubic root of 16040986 is about 252.1991895350.

The spelling of 16040986 in words is "sixteen million, forty thousand, nine hundred eighty-six".