163283147566 has 32 divisors (see below), whose sum is σ = 311592556800. Its totient is φ = 63616807800.

The previous prime is 163283147563. The next prime is 163283147603. The reversal of 163283147566 is 665741382361.

It is a super-2 number, since 2×163283147566² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163283147563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10811640 + ... + 10826731.

It is an arithmetic number, because the mean of its divisors is an integer number (9737267400).

Almost surely, 2^163283147566 is an apocalyptic number.

163283147566 is a deficient number, since it is larger than the sum of its proper divisors (148309409234).

163283147566 is a wasteful number, since it uses less digits than its factorization.

163283147566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21638405 (or 21638391 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 163283147566 in words is "one hundred sixty-three billion, two hundred eighty-three million, one hundred forty-seven thousand, five hundred sixty-six".