16058781 has 12 divisors (see below), whose sum is σ = 24417120. Its totient is φ = 10142280.

The previous prime is 16058771. The next prime is 16058789. The reversal of 16058781 is 18785061.

It is not a de Polignac number, because 16058781 - 2¹⁰ = 16057757 is a prime.

It is a super-2 number, since 2×16058781² = 515768894411922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16058789) 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, 46785 + ... + 47126.

It is an arithmetic number, because the mean of its divisors is an integer number (2034760).

Almost surely, 2^16058781 is an apocalyptic number.

It is an amenable number.

16058781 is a deficient number, since it is larger than the sum of its proper divisors (8358339).

16058781 is a wasteful number, since it uses less digits than its factorization.

16058781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93936 (or 93933 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 16058781 is about 4007.3408889187. The cubic root of 16058781 is about 252.2924137724.

The spelling of 16058781 in words is "sixteen million, fifty-eight thousand, seven hundred eighty-one".