16066674 has 48 divisors (see below), whose sum is σ = 38892672. Its totient is φ = 4941648.

The previous prime is 16066657. The next prime is 16066681. The reversal of 16066674 is 47666061.

16066674 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5047 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (810264).

Almost surely, 2^16066674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16066674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19446336).

16066674 is an abundant number, since it is smaller than the sum of its proper divisors (22825998).

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

16066674 is a wasteful number, since it uses less digits than its factorization.

16066674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 16066674 is about 4008.3255855781. The cubic root of 16066674 is about 252.3337414808. Note that the first 3 decimals are identical.

The spelling of 16066674 in words is "sixteen million, sixty-six thousand, six hundred seventy-four".