10426661 has 12 divisors (see below), whose sum is σ = 12843468. Its totient is φ = 8410752.

The previous prime is 10426651. The next prime is 10426679. The reversal of 10426661 is 16662401.

It is a happy number.

10426661 is digitally balanced in base 2, 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 9060100 + 1366561 = 3010^2 + 1169^2 .

It is not a de Polignac number, because 10426661 - 2¹⁰ = 10425637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10426661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10426601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5426 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (1070289).

Almost surely, 2^10426661 is an apocalyptic number.

It is an amenable number.

10426661 is a deficient number, since it is larger than the sum of its proper divisors (2416807).

10426661 is a wasteful number, since it uses less digits than its factorization.

10426661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12548 (or 12541 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10426661 is about 3229.0340660947. The cubic root of 10426661 is about 218.4649406925.

The spelling of 10426661 in words is "ten million, four hundred twenty-six thousand, six hundred sixty-one".