6736664737666 has 8 divisors (see below), whose sum is σ = 10105010752320. Its totient is φ = 3368327820228.

The previous prime is 6736664737651. The next prime is 6736664737709. The reversal of 6736664737666 is 6667374666376.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53515 + ... + 3670993.

It is an arithmetic number, because the mean of its divisors is an integer number (1263126344040).

Almost surely, 2^{6736664737666} is an apocalyptic number.

6736664737666 is a deficient number, since it is larger than the sum of its proper divisors (3368346014654).

6736664737666 is a wasteful number, since it uses less digits than its factorization.

6736664737666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548608.

The product of its digits is 3456649728, while the sum is 73.

The spelling of 6736664737666 in words is "six trillion, seven hundred thirty-six billion, six hundred sixty-four million, seven hundred thirty-seven thousand, six hundred sixty-six".