10666810156 has 6 divisors (see below), whose sum is σ = 18666917780. Its totient is φ = 5333405076.

The previous prime is 10666810109. The next prime is 10666810171. The reversal of 10666810156 is 65101866601.

It is a happy number.

It is a super-2 number, since 2×10666810156² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1333351266 + ... + 1333351273.

Almost surely, 2^10666810156 is an apocalyptic number.

It is an amenable number.

10666810156 is a deficient number, since it is larger than the sum of its proper divisors (8000107624).

10666810156 is a wasteful number, since it uses less digits than its factorization.

10666810156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666702543 (or 2666702541 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 10666810156 in words is "ten billion, six hundred sixty-six million, eight hundred ten thousand, one hundred fifty-six".