163255566244664 has 16 divisors (see below), whose sum is σ = 306146636433720. Its totient is φ = 81616463195680.

The previous prime is 163255566244621. The next prime is 163255566244703. The reversal of 163255566244664 is 466442665552361.

It is a self number, because there is not a number n which added to its sum of digits gives 163255566244664.

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, 1414929539 + ... + 1415044914.

Almost surely, 2^{163255566244664} is an apocalyptic number.

It is an amenable number.

163255566244664 is a deficient number, since it is larger than the sum of its proper divisors (142891070189056).

163255566244664 is a wasteful number, since it uses less digits than its factorization.

163255566244664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829981670 (or 2829981666 counting only the distinct ones).

The product of its digits is 746496000, while the sum is 65.

The spelling of 163255566244664 in words is "one hundred sixty-three trillion, two hundred fifty-five billion, five hundred sixty-six million, two hundred forty-four thousand, six hundred sixty-four".