16361859 has 8 divisors (see below), whose sum is σ = 22028032. Its totient is φ = 10801800.

The previous prime is 16361843. The next prime is 16361861. The reversal of 16361859 is 95816361.

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

It is not a de Polignac number, because 16361859 - 2⁴ = 16361843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16361159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26167 + ... + 26784.

It is an arithmetic number, because the mean of its divisors is an integer number (2753504).

Almost surely, 2^16361859 is an apocalyptic number.

16361859 is a deficient number, since it is larger than the sum of its proper divisors (5666173).

16361859 is a wasteful number, since it uses less digits than its factorization.

16361859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53057.

The product of its digits is 38880, while the sum is 39.

The square root of 16361859 is about 4044.9794807885. The cubic root of 16361859 is about 253.8697070820.

The spelling of 16361859 in words is "sixteen million, three hundred sixty-one thousand, eight hundred fifty-nine".