10516681 has 16 divisors (see below), whose sum is σ = 12708864. Its totient is φ = 8507664.

The previous prime is 10516669. The next prime is 10516699. The reversal of 10516681 is 18661501.

10516681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10516681 - 2⁹ = 10516169 is a prime.

It is a super-2 number, since 2×10516681² = 221201158511522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10516661) 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, 12970 + ... + 13756.

It is an arithmetic number, because the mean of its divisors is an integer number (794304).

Almost surely, 2^10516681 is an apocalyptic number.

It is an amenable number.

10516681 is a deficient number, since it is larger than the sum of its proper divisors (2192183).

10516681 is an equidigital number, since it uses as much as digits as its factorization.

10516681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 10516681 is about 3242.9432619150. The cubic root of 10516681 is about 219.0918555759.

The spelling of 10516681 in words is "ten million, five hundred sixteen thousand, six hundred eighty-one".