16066806 has 64 divisors (see below), whose sum is σ = 38668800. Its totient is φ = 4445280.

The previous prime is 16066763. The next prime is 16066807. The reversal of 16066806 is 60866061.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76041 + ... + 76251.

It is an arithmetic number, because the mean of its divisors is an integer number (604200).

Almost surely, 2^16066806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16066806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19334400).

16066806 is an abundant number, since it is smaller than the sum of its proper divisors (22601994).

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

16066806 is a wasteful number, since it uses less digits than its factorization.

16066806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16066806 is about 4008.3420512726. The cubic root of 16066806 is about 252.3344325171.

It can be divided in two parts, 160 and 66806, that added together give a palindrome (66966).

The spelling of 16066806 in words is "sixteen million, sixty-six thousand, eight hundred six".