10877644666 has 16 divisors (see below), whose sum is σ = 19628832960. Its totient is φ = 4416487200.

The previous prime is 10877644649. The next prime is 10877644691. The reversal of 10877644666 is 66644677801.

It is a super-5 number, since 5×10877644666⁵ (a number of 51 digits) contains 55555 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 in 7 ways as a sum of consecutive naturals, for example, 20446435 + ... + 20446966.

It is an arithmetic number, because the mean of its divisors is an integer number (1226802060).

Almost surely, 2^10877644666 is an apocalyptic number.

10877644666 is a deficient number, since it is larger than the sum of its proper divisors (8751188294).

10877644666 is a wasteful number, since it uses less digits than its factorization.

10877644666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40893429.

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 10877644666 in words is "ten billion, eight hundred seventy-seven million, six hundred forty-four thousand, six hundred sixty-six".