70204666663 has 4 divisors (see below), whose sum is σ = 71916975648. Its totient is φ = 68492357680.

The previous prime is 70204666633. The next prime is 70204666667. The reversal of 70204666663 is 36666640207.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70204666663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70204666667) 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, 856154431 + ... + 856154512.

It is an arithmetic number, because the mean of its divisors is an integer number (17979243912).

Almost surely, 2^70204666663 is an apocalyptic number.

70204666663 is a deficient number, since it is larger than the sum of its proper divisors (1712308985).

70204666663 is a wasteful number, since it uses less digits than its factorization.

70204666663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712308984.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 70204666663 in words is "seventy billion, two hundred four million, six hundred sixty-six thousand, six hundred sixty-three".