109651488666 has 8 divisors (see below), whose sum is σ = 219302977344. Its totient is φ = 36550496220.

The previous prime is 109651488647. The next prime is 109651488721. The reversal of 109651488666 is 666884156901.

It is a sphenic number, since it is the product of 3 distinct primes.

109651488666 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9137624050 + ... + 9137624061.

It is an arithmetic number, because the mean of its divisors is an integer number (27412872168).

Almost surely, 2^109651488666 is an apocalyptic number.

109651488666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109651488666 is a wasteful number, since it uses less digits than its factorization.

109651488666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18275248116.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 109651488666 in words is "one hundred nine billion, six hundred fifty-one million, four hundred eighty-eight thousand, six hundred sixty-six".