16061859 has 24 divisors (see below), whose sum is σ = 26644800. Its totient is φ = 9221040.

The previous prime is 16061819. The next prime is 16061861. The reversal of 16061859 is 95816061.

It is not a de Polignac number, because 16061859 - 2⁸ = 16061603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061819) 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 23 ways as a sum of consecutive naturals, for example, 2389 + ... + 6150.

It is an arithmetic number, because the mean of its divisors is an integer number (1110200).

Almost surely, 2^16061859 is an apocalyptic number.

16061859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16061859 is a deficient number, since it is larger than the sum of its proper divisors (10582941).

16061859 is a wasteful number, since it uses less digits than its factorization.

16061859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575 (or 8572 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 16061859 is about 4007.7249157097. The cubic root of 16061859 is about 252.3085317754.

The spelling of 16061859 in words is "sixteen million, sixty-one thousand, eight hundred fifty-nine".