16859051 has 12 divisors (see below), whose sum is σ = 18634896. Its totient is φ = 15240720.

The previous prime is 16859047. The next prime is 16859093. The reversal of 16859051 is 15095861.

It is not a de Polignac number, because 16859051 - 2² = 16859047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16859351) 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 11 ways as a sum of consecutive naturals, for example, 33266 + ... + 33768.

It is an arithmetic number, because the mean of its divisors is an integer number (1552908).

Almost surely, 2^16859051 is an apocalyptic number.

16859051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16859051 is a deficient number, since it is larger than the sum of its proper divisors (1775845).

16859051 is a wasteful number, since it uses less digits than its factorization.

16859051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 16859051 is about 4105.9774719304. The cubic root of 16859051 is about 256.4155594005.

The spelling of 16859051 in words is "sixteen million, eight hundred fifty-nine thousand, fifty-one".