16020851 has 16 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 11748480.

The previous prime is 16020841. The next prime is 16020869. The reversal of 16020851 is 15802061.

It is a cyclic number.

It is not a de Polignac number, because 16020851 - 2¹⁰ = 16019827 is a prime.

It is a super-3 number, since 3×16020851³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16020841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4811 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (1321920).

Almost surely, 2^16020851 is an apocalyptic number.

16020851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16020851 is a deficient number, since it is larger than the sum of its proper divisors (5129869).

16020851 is a wasteful number, since it uses less digits than its factorization.

16020851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 16020851 is about 4002.6055264040. The cubic root of 16020851 is about 252.0936233549.

The spelling of 16020851 in words is "sixteen million, twenty thousand, eight hundred fifty-one".