163800732 has 36 divisors (see below), whose sum is σ = 385974680. Its totient is φ = 54066432.

The previous prime is 163800727. The next prime is 163800751. The reversal of 163800732 is 237008361.

163800732 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 a self number, because there is not a number n which added to its sum of digits gives 163800732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152694 + ... + 153762.

Almost surely, 2^163800732 is an apocalyptic number.

163800732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163800732 is an abundant number, since it is smaller than the sum of its proper divisors (222173948).

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

163800732 is a wasteful number, since it uses less digits than its factorization.

163800732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 163800732 is about 12798.4660018301. The cubic root of 163800732 is about 547.1485837304.

The spelling of 163800732 in words is "one hundred sixty-three million, eight hundred thousand, seven hundred thirty-two".