16042899 has 8 divisors (see below), whose sum is σ = 21461440. Its totient is φ = 10659816.

The previous prime is 16042879. The next prime is 16042907. The reversal of 16042899 is 99824061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16042899 - 2⁸ = 16042643 is a prime.

It is a Duffinian 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, 7789 + ... + 9630.

It is an arithmetic number, because the mean of its divisors is an integer number (2682680).

Almost surely, 2^16042899 is an apocalyptic number.

16042899 is a deficient number, since it is larger than the sum of its proper divisors (5418541).

16042899 is a wasteful number, since it uses less digits than its factorization.

16042899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 16042899 is about 4005.3587854273. The cubic root of 16042899 is about 252.2092146434.

The spelling of 16042899 in words is "sixteen million, forty-two thousand, eight hundred ninety-nine".