10661608747166 has 16 divisors (see below), whose sum is σ = 17234306896128. Its totient is φ = 4917397312800.

The previous prime is 10661608747129. The next prime is 10661608747213. The reversal of 10661608747166 is 66174780616601.

It is a super-2 number, since 2×10661608747166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139343765 + ... + 139420256.

It is an arithmetic number, because the mean of its divisors is an integer number (1077144181008).

Almost surely, 2^{10661608747166} is an apocalyptic number.

10661608747166 is a deficient number, since it is larger than the sum of its proper divisors (6572698148962).

10661608747166 is a wasteful number, since it uses less digits than its factorization.

10661608747166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278765507.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 10661608747166 in words is "ten trillion, six hundred sixty-one billion, six hundred eight million, seven hundred forty-seven thousand, one hundred sixty-six".