10345661 has 8 divisors (see below), whose sum is σ = 10856448. Its totient is φ = 9846000.

The previous prime is 10345651. The next prime is 10345667. The reversal of 10345661 is 16654301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10345661 - 2⁶ = 10345597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10345661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10345667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845 + ... + 4626.

It is an arithmetic number, because the mean of its divisors is an integer number (1357056).

Almost surely, 2^10345661 is an apocalyptic number.

It is an amenable number.

10345661 is a deficient number, since it is larger than the sum of its proper divisors (510787).

10345661 is an equidigital number, since it uses as much as digits as its factorization.

10345661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10345661 is about 3216.4671613433. The cubic root of 10345661 is about 217.8977510563.

Adding to 10345661 its reverse (16654301), we get a palindrome (26999962).

The spelling of 10345661 in words is "ten million, three hundred forty-five thousand, six hundred sixty-one".