16946433 has 24 divisors (see below), whose sum is σ = 29622528. Its totient is φ = 9113472.

The previous prime is 16946431. The next prime is 16946437. The reversal of 16946433 is 33464961.

16946433 is a `hidden beast` number, since 1 + 6 + 9 + 4 + 643 + 3 = 666.

It is not a de Polignac number, because 16946433 - 2¹ = 16946431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16946431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6841 + ... + 8982.

It is an arithmetic number, because the mean of its divisors is an integer number (1234272).

Almost surely, 2^16946433 is an apocalyptic number.

It is an amenable number.

16946433 is a deficient number, since it is larger than the sum of its proper divisors (12676095).

16946433 is a wasteful number, since it uses less digits than its factorization.

16946433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853 (or 15850 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 16946433 is about 4116.6045474396. The cubic root of 16946433 is about 256.8578046280.

The spelling of 16946433 in words is "sixteen million, nine hundred forty-six thousand, four hundred thirty-three".