16042278 has 32 divisors (see below), whose sum is σ = 37935360. Its totient is φ = 4425120.

The previous prime is 16042241. The next prime is 16042291. The reversal of 16042278 is 87224061.

16042278 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5368 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (1185480).

Almost surely, 2^16042278 is an apocalyptic number.

16042278 is an abundant number, since it is smaller than the sum of its proper divisors (21893082).

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

16042278 is a wasteful number, since it uses less digits than its factorization.

16042278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 16042278 is about 4005.2812635319. The cubic root of 16042278 is about 252.2059603699.

The spelling of 16042278 in words is "sixteen million, forty-two thousand, two hundred seventy-eight".