16042866 has 32 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 4313856.

The previous prime is 16042861. The next prime is 16042879. The reversal of 16042866 is 66824061.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16042861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10521 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (1213380).

Almost surely, 2^16042866 is an apocalyptic number.

16042866 is an abundant number, since it is smaller than the sum of its proper divisors (22785294).

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

16042866 is a wasteful number, since it uses less digits than its factorization.

16042866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22498.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 16042866 is about 4005.3546659441. The cubic root of 16042866 is about 252.2090417131.

The spelling of 16042866 in words is "sixteen million, forty-two thousand, eight hundred sixty-six".