10405226661 has 16 divisors (see below), whose sum is σ = 13910443008. Its totient is φ = 6918436800.

The previous prime is 10405226639. The next prime is 10405226677. The reversal of 10405226661 is 16662250401.

It is not a de Polignac number, because 10405226661 - 2⁶ = 10405226597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10405226561) 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, 3424635 + ... + 3427671.

It is an arithmetic number, because the mean of its divisors is an integer number (869402688).

Almost surely, 2^10405226661 is an apocalyptic number.

It is an amenable number.

10405226661 is a deficient number, since it is larger than the sum of its proper divisors (3505216347).

10405226661 is a wasteful number, since it uses less digits than its factorization.

10405226661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 10405226661 in words is "ten billion, four hundred five million, two hundred twenty-six thousand, six hundred sixty-one".