10636665187 has 2 divisors, whose sum is σ = 10636665188. Its totient is φ = 10636665186.

The previous prime is 10636665167. The next prime is 10636665197. The reversal of 10636665187 is 78156663601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10636665187 is a prime.

It is a super-2 number, since 2×10636665187² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10636665187.

It is not a weakly prime, because it can be changed into another prime (10636665167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5318332593 + 5318332594.

It is an arithmetic number, because the mean of its divisors is an integer number (5318332594).

Almost surely, 2^10636665187 is an apocalyptic number.

10636665187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10636665187 is an equidigital number, since it uses as much as digits as its factorization.

10636665187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 10636665187 in words is "ten billion, six hundred thirty-six million, six hundred sixty-five thousand, one hundred eighty-seven".