10151681 has 12 divisors (see below), whose sum is σ = 10913364. Its totient is φ = 9439200.

The previous prime is 10151677. The next prime is 10151683. The reversal of 10151681 is 18615101.

It is a happy number.

10151681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 8673025 = 1216^2 + 2945^2 .

It is not a de Polignac number, because 10151681 - 2² = 10151677 is a prime.

It is a super-2 number, since 2×10151681² = 206113254251522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10151683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21791 + ... + 22251.

It is an arithmetic number, because the mean of its divisors is an integer number (909447).

Almost surely, 2^10151681 is an apocalyptic number.

It is an amenable number.

10151681 is a deficient number, since it is larger than the sum of its proper divisors (761683).

10151681 is an equidigital number, since it uses as much as digits as its factorization.

10151681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 10151681 is about 3186.1702716584. The cubic root of 10151681 is about 216.5272968265.

Adding to 10151681 its reverse (18615101), we get a palindrome (28766782).

The spelling of 10151681 in words is "ten million, one hundred fifty-one thousand, six hundred eighty-one".