163235550 has 24 divisors (see below), whose sum is σ = 404824536. Its totient is φ = 43529440.

The previous prime is 163235549. The next prime is 163235599. The reversal of 163235550 is 55532361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543969 + ... + 544268.

It is an arithmetic number, because the mean of its divisors is an integer number (16867689).

Almost surely, 2^163235550 is an apocalyptic number.

163235550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163235550 is an abundant number, since it is smaller than the sum of its proper divisors (241588986).

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

163235550 is a wasteful number, since it uses less digits than its factorization.

163235550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088252 (or 1088247 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 163235550 is about 12776.3668544700. The cubic root of 163235550 is about 546.5185603305.

The spelling of 163235550 in words is "one hundred sixty-three million, two hundred thirty-five thousand, five hundred fifty".