16642413 has 12 divisors (see below), whose sum is σ = 24329760. Its totient is φ = 10960776.

The previous prime is 16642399. The next prime is 16642429. The reversal of 16642413 is 31424661.

16642413 is a `hidden beast` number, since 1 + 6 + 642 + 4 + 13 = 666.

It is not a de Polignac number, because 16642413 - 2⁴ = 16642397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16642453) 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 11 ways as a sum of consecutive naturals, for example, 10393 + ... + 11886.

It is an arithmetic number, because the mean of its divisors is an integer number (2027480).

Almost surely, 2^16642413 is an apocalyptic number.

It is an amenable number.

16642413 is a deficient number, since it is larger than the sum of its proper divisors (7687347).

16642413 is a wasteful number, since it uses less digits than its factorization.

16642413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22368 (or 22365 counting only the distinct ones).

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

The square root of 16642413 is about 4079.5113677988. The cubic root of 16642413 is about 255.3125118891.

The spelling of 16642413 in words is "sixteen million, six hundred forty-two thousand, four hundred thirteen".