10666166655 has 16 divisors (see below), whose sum is σ = 17106606720. Its totient is φ = 5675042208.

The previous prime is 10666166627. The next prime is 10666166659. The reversal of 10666166655 is 55666166601.

It is not a de Polignac number, because 10666166655 - 2¹³ = 10666158463 is a prime.

It is a super-2 number, since 2×10666166655² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666166659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842257 + ... + 854826.

It is an arithmetic number, because the mean of its divisors is an integer number (1069162920).

Almost surely, 2^10666166655 is an apocalyptic number.

10666166655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10666166655 is a deficient number, since it is larger than the sum of its proper divisors (6440440065).

10666166655 is a wasteful number, since it uses less digits than its factorization.

10666166655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697510.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 10666166655 in words is "ten billion, six hundred sixty-six million, one hundred sixty-six thousand, six hundred fifty-five".