16442082 has 64 divisors (see below), whose sum is σ = 38290560. Its totient is φ = 5225472.

The previous prime is 16442071. The next prime is 16442099. The reversal of 16442082 is 28024461.

16442082 is a `hidden beast` number, since 164 + 420 + 82 = 666.

It is a super-3 number, since 3×16442082³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169458 + ... + 169554.

It is an arithmetic number, because the mean of its divisors is an integer number (598290).

Almost surely, 2^16442082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16442082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19145280).

16442082 is an abundant number, since it is smaller than the sum of its proper divisors (21848478).

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

16442082 is a wasteful number, since it uses less digits than its factorization.

16442082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 218 counting only the distinct ones).

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

The square root of 16442082 is about 4054.8837221306. The cubic root of 16442082 is about 254.2839427017.

The spelling of 16442082 in words is "sixteen million, four hundred forty-two thousand, eighty-two".