163803642 has 16 divisors (see below), whose sum is σ = 327749760. Its totient is φ = 54577472.

The previous prime is 163803599. The next prime is 163803643. The reversal of 163803642 is 246308361.

It is not an unprimeable number, because it can be changed into a prime (163803643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14338 + ... + 23090.

It is an arithmetic number, because the mean of its divisors is an integer number (20484360).

Almost surely, 2^163803642 is an apocalyptic number.

163803642 is an abundant number, since it is smaller than the sum of its proper divisors (163946118).

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

163803642 is a wasteful number, since it uses less digits than its factorization.

163803642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 163803642 is about 12798.5796868246. The cubic root of 163803642 is about 547.1518238318.

The spelling of 163803642 in words is "one hundred sixty-three million, eight hundred three thousand, six hundred forty-two".