4651651666 has 8 divisors (see below), whose sum is σ = 7012540800. Its totient is φ = 2314138068.

The previous prime is 4651651651. The next prime is 4651651703. The reversal of 4651651666 is 6661561564.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843386 + ... + 5844181.

It is an arithmetic number, because the mean of its divisors is an integer number (876567600).

Almost surely, 2^4651651666 is an apocalyptic number.

4651651666 is a deficient number, since it is larger than the sum of its proper divisors (2360889134).

4651651666 is a wasteful number, since it uses less digits than its factorization.

4651651666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687768.

The product of its digits is 777600, while the sum is 46.

The square root of 4651651666 is about 68203.0180124018. The cubic root of 4651651666 is about 1669.3051319276.

The spelling of 4651651666 in words is "four billion, six hundred fifty-one million, six hundred fifty-one thousand, six hundred sixty-six".