109651340666 has 32 divisors (see below), whose sum is σ = 190519050240. Its totient is φ = 46358138736.

The previous prime is 109651340653. The next prime is 109651340723. The reversal of 109651340666 is 666043156901.

It is a self number, because there is not a number n which added to its sum of digits gives 109651340666.

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, 1243655 + ... + 1328901.

It is an arithmetic number, because the mean of its divisors is an integer number (5953720320).

Almost surely, 2^109651340666 is an apocalyptic number.

109651340666 is a deficient number, since it is larger than the sum of its proper divisors (80867709574).

109651340666 is a wasteful number, since it uses less digits than its factorization.

109651340666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86498.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 109651340666 in words is "one hundred nine billion, six hundred fifty-one million, three hundred forty thousand, six hundred sixty-six".