10266666187 has 2 divisors, whose sum is σ = 10266666188. Its totient is φ = 10266666186.

The previous prime is 10266666173. The next prime is 10266666233. The reversal of 10266666187 is 78166666201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10266666187 - 2¹¹ = 10266664139 is a prime.

It is a super-4 number, since 4×10266666187⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10266666187.

It is not a weakly prime, because it can be changed into another prime (10266666127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5133333093 + 5133333094.

It is an arithmetic number, because the mean of its divisors is an integer number (5133333094).

Almost surely, 2^10266666187 is an apocalyptic number.

10266666187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10266666187 is an equidigital number, since it uses as much as digits as its factorization.

10266666187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 10266666187 in words is "ten billion, two hundred sixty-six million, six hundred sixty-six thousand, one hundred eighty-seven".