10266666677 has 8 divisors (see below), whose sum is σ = 10453862496. Its totient is φ = 10080469872.

The previous prime is 10266666661. The next prime is 10266666679. The reversal of 10266666677 is 77666666201.

It is a happy number.

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 10266666677 - 2⁴ = 10266666661 is a prime.

It is a super-4 number, since 4×10266666677⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10266666679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228998 + ... + 270135.

It is an arithmetic number, because the mean of its divisors is an integer number (1306732812).

Almost surely, 2^10266666677 is an apocalyptic number.

It is an amenable number.

10266666677 is a deficient number, since it is larger than the sum of its proper divisors (187195819).

10266666677 is an equidigital number, since it uses as much as digits as its factorization.

10266666677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499507.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 10266666677 in words is "ten billion, two hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-seven".