16208442 has 24 divisors (see below), whose sum is σ = 36068916. Its totient is φ = 5256576.

The previous prime is 16208431. The next prime is 16208447. The reversal of 16208442 is 24480261.

16208442 is a `hidden beast` number, since 16 + 208 + 442 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10830681 + 5377761 = 3291^2 + 2319^2 .

It is not an unprimeable number, because it can be changed into a prime (16208447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11503 + ... + 12834.

Almost surely, 2^16208442 is an apocalyptic number.

16208442 is an abundant number, since it is smaller than the sum of its proper divisors (19860474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16208442 is a wasteful number, since it uses less digits than its factorization.

16208442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24382 (or 24379 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 16208442 is about 4025.9709387923. The cubic root of 16208442 is about 253.0737441714.

The spelling of 16208442 in words is "sixteen million, two hundred eight thousand, four hundred forty-two".