10186611966 has 24 divisors (see below), whose sum is σ = 22782961344. Its totient is φ = 3286003680.

The previous prime is 10186611959. The next prime is 10186611971. The reversal of 10186611966 is 66911668101.

It is a happy number.

10186611966 is a `hidden beast` number, since 10 + 18 + 6 + 611 + 9 + 6 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9127231 + ... + 9128346.

It is an arithmetic number, because the mean of its divisors is an integer number (949290056).

Almost surely, 2^10186611966 is an apocalyptic number.

10186611966 is an abundant number, since it is smaller than the sum of its proper divisors (12596349378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10186611966 is a wasteful number, since it uses less digits than its factorization.

10186611966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255616 (or 18255613 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 10186611966 in words is "ten billion, one hundred eighty-six million, six hundred eleven thousand, nine hundred sixty-six".