16412643 has 24 divisors (see below), whose sum is σ = 25727520. Its totient is φ = 10022400.

The previous prime is 16412629. The next prime is 16412647. The reversal of 16412643 is 34621461.

16412643 is a `hidden beast` number, since 1 + 6 + 4 + 12 + 643 = 666.

It is not a de Polignac number, because 16412643 - 2²⁰ = 15364067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16412647) 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 23 ways as a sum of consecutive naturals, for example, 17203 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (1071980).

Almost surely, 2^16412643 is an apocalyptic number.

16412643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16412643 is a deficient number, since it is larger than the sum of its proper divisors (9314877).

16412643 is a wasteful number, since it uses less digits than its factorization.

16412643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1096 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16412643 is about 4051.2520286943. The cubic root of 16412643 is about 254.1320897274.

The spelling of 16412643 in words is "sixteen million, four hundred twelve thousand, six hundred forty-three".