163847656 has 16 divisors (see below), whose sum is σ = 351102240. Its totient is φ = 70220400.

The previous prime is 163847641. The next prime is 163847681. The reversal of 163847656 is 656748361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462870 + ... + 1462981.

It is an arithmetic number, because the mean of its divisors is an integer number (21943890).

Almost surely, 2^163847656 is an apocalyptic number.

It is an amenable number.

163847656 is an abundant number, since it is smaller than the sum of its proper divisors (187254584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163847656 is a wasteful number, since it uses less digits than its factorization.

163847656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925864 (or 2925860 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 163847656 is about 12800.2990590064. The cubic root of 163847656 is about 547.2008259651.

It can be divided in two parts, 1638 and 47656, that added together give a palindrome (49294).

The spelling of 163847656 in words is "one hundred sixty-three million, eight hundred forty-seven thousand, six hundred fifty-six".