16059899 has 4 divisors (see below), whose sum is σ = 16202136. Its totient is φ = 15917664.

The previous prime is 16059877. The next prime is 16059929. The reversal of 16059899 is 99895061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99895061 = 7 ⋅14270723.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16059899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16059809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70949 + ... + 71174.

It is an arithmetic number, because the mean of its divisors is an integer number (4050534).

Almost surely, 2^16059899 is an apocalyptic number.

16059899 is a deficient number, since it is larger than the sum of its proper divisors (142237).

16059899 is a wasteful number, since it uses less digits than its factorization.

16059899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142236.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 16059899 is about 4007.4803804885. The cubic root of 16059899 is about 252.2982684379.

The spelling of 16059899 in words is "sixteen million, fifty-nine thousand, eight hundred ninety-nine".