163003656 has 16 divisors (see below), whose sum is σ = 407509200. Its totient is φ = 54334544.

The previous prime is 163003639. The next prime is 163003663. The reversal of 163003656 is 656300361.

163003656 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 3395886 + ... + 3395933.

It is an arithmetic number, because the mean of its divisors is an integer number (25469325).

Almost surely, 2^163003656 is an apocalyptic number.

It is an amenable number.

163003656 is an abundant number, since it is smaller than the sum of its proper divisors (244505544).

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

163003656 is a wasteful number, since it uses less digits than its factorization.

163003656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791828 (or 6791824 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 163003656 is about 12767.2885140111. The cubic root of 163003656 is about 546.2596411678.

The spelling of 163003656 in words is "one hundred sixty-three million, three thousand, six hundred fifty-six".