109013640566 has 32 divisors (see below), whose sum is σ = 172213853760. Its totient is φ = 51683111424.

The previous prime is 109013640553. The next prime is 109013640599. The reversal of 109013640566 is 665046310901.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931271 + ... + 1041773.

It is an arithmetic number, because the mean of its divisors is an integer number (5381682930).

Almost surely, 2^109013640566 is an apocalyptic number.

109013640566 is a deficient number, since it is larger than the sum of its proper divisors (63200213194).

109013640566 is a wasteful number, since it uses less digits than its factorization.

109013640566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110840.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 109013640566 in words is "one hundred nine billion, thirteen million, six hundred forty thousand, five hundred sixty-six".