16042872 has 32 divisors (see below), whose sum is σ = 41402880. Its totient is φ = 5174880.

The previous prime is 16042861. The next prime is 16042879. The reversal of 16042872 is 27824061.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10038 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (1293840).

Almost surely, 2^16042872 is an apocalyptic number.

16042872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16042872 is an abundant number, since it is smaller than the sum of its proper divisors (25360008).

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

16042872 is a wasteful number, since it uses less digits than its factorization.

16042872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21603 (or 21599 counting only the distinct ones).

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

The square root of 16042872 is about 4005.3554149414. The cubic root of 16042872 is about 252.2090731550.

The spelling of 16042872 in words is "sixteen million, forty-two thousand, eight hundred seventy-two".