662008163506 has 8 divisors (see below), whose sum is σ = 993853072044. Its totient is φ = 330723806160.

The previous prime is 662008163501. The next prime is 662008163521. The reversal of 662008163506 is 605361800266.

It can be written as a sum of positive squares in 2 ways, for example, as 635631480225 + 26376683281 = 797265^2 + 162409^2 .

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

It is not an unprimeable number, because it can be changed into a prime (662008163501) 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, 140134845 + ... + 140139568.

Almost surely, 2^662008163506 is an apocalyptic number.

662008163506 is a deficient number, since it is larger than the sum of its proper divisors (331844908538).

662008163506 is a wasteful number, since it uses less digits than its factorization.

662008163506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280275596.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 662008163506 in words is "six hundred sixty-two billion, eight million, one hundred sixty-three thousand, five hundred six".