663623466206 has 8 divisors (see below), whose sum is σ = 995455740240. Its totient is φ = 331804886128.

The previous prime is 663623466157. The next prime is 663623466217. The reversal of 663623466206 is 602664326366.

663623466206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×663623466206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 3301466 + ... + 3496701.

It is an arithmetic number, because the mean of its divisors is an integer number (124431967530).

Almost surely, 2^663623466206 is an apocalyptic number.

663623466206 is a deficient number, since it is larger than the sum of its proper divisors (331832274034).

663623466206 is a wasteful number, since it uses less digits than its factorization.

663623466206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846978.

The product of its (nonzero) digits is 6718464, while the sum is 50.

The spelling of 663623466206 in words is "six hundred sixty-three billion, six hundred twenty-three million, four hundred sixty-six thousand, two hundred six".