6662018470417 has 4 divisors (see below), whose sum is σ = 6664752169396. Its totient is φ = 6659284771440.

The previous prime is 6662018470411. The next prime is 6662018470441. The reversal of 6662018470417 is 7140748102666.

6662018470417 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6211863354321 + 450155116096 = 2492361^2 + 670936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6662018470417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662018470411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366845834 + ... + 1366850707.

It is an arithmetic number, because the mean of its divisors is an integer number (1666188042349).

Almost surely, 2^{6662018470417} is an apocalyptic number.

It is an amenable number.

6662018470417 is a deficient number, since it is larger than the sum of its proper divisors (2733698979).

6662018470417 is a wasteful number, since it uses less digits than its factorization.

6662018470417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733698978.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 6662018470417 in words is "six trillion, six hundred sixty-two billion, eighteen million, four hundred seventy thousand, four hundred seventeen".