109882478666 has 16 divisors (see below), whose sum is σ = 173760629760. Its totient is φ = 52037685840.

The previous prime is 109882478647. The next prime is 109882478767. The reversal of 109882478666 is 666874288901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18851321 + ... + 18857148.

It is an arithmetic number, because the mean of its divisors is an integer number (10860039360).

Almost surely, 2^109882478666 is an apocalyptic number.

109882478666 is a deficient number, since it is larger than the sum of its proper divisors (63878151094).

109882478666 is a wasteful number, since it uses less digits than its factorization.

109882478666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37708549.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 109882478666 in words is "one hundred nine billion, eight hundred eighty-two million, four hundred seventy-eight thousand, six hundred sixty-six".