10666065066550 has 96 divisors (see below), whose sum is σ = 21882419792640. Its totient is φ = 3850277068800.

The previous prime is 10666065066539. The next prime is 10666065066563. The reversal of 10666065066550 is 5566056066601.

10666065066550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10666065066550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1015342 + ... + 4728958.

It is an arithmetic number, because the mean of its divisors is an integer number (227941872840).

Almost surely, 2^{10666065066550} is an apocalyptic number.

10666065066550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10666065066550 is an abundant number, since it is smaller than the sum of its proper divisors (11216354726090).

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

10666065066550 is a wasteful number, since it uses less digits than its factorization.

10666065066550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713786 (or 3713781 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 10666065066550 in words is "ten trillion, six hundred sixty-six billion, sixty-five million, sixty-six thousand, five hundred fifty".