505665070606 has 4 divisors (see below), whose sum is σ = 758497605912. Its totient is φ = 252832535302.

The previous prime is 505665070541. The next prime is 505665070621. The reversal of 505665070606 is 606070566505.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126416267650 + ... + 126416267653.

It is an arithmetic number, because the mean of its divisors is an integer number (189624401478).

Almost surely, 2^505665070606 is an apocalyptic number.

505665070606 is a deficient number, since it is larger than the sum of its proper divisors (252832535306).

505665070606 is a wasteful number, since it uses less digits than its factorization.

505665070606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252832535305.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 505665070606 in words is "five hundred five billion, six hundred sixty-five million, seventy thousand, six hundred six".