10221766754 has 16 divisors (see below), whose sum is σ = 15374171736. Its totient is φ = 5097062400.

The previous prime is 10221766739. The next prime is 10221766771. The reversal of 10221766754 is 45766712201.

It can be written as a sum of positive squares in 4 ways, for example, as 10205646529 + 16120225 = 101023^2 + 4015^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248434 + ... + 1256594.

Almost surely, 2^10221766754 is an apocalyptic number.

10221766754 is a deficient number, since it is larger than the sum of its proper divisors (5152404982).

10221766754 is an equidigital number, since it uses as much as digits as its factorization.

10221766754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 10221766754 in words is "ten billion, two hundred twenty-one million, seven hundred sixty-six thousand, seven hundred fifty-four".