163748533 has 8 divisors (see below), whose sum is σ = 177615200. Its totient is φ = 150063408.

The previous prime is 163748521. The next prime is 163748549. The reversal of 163748533 is 335847361.

163748533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163748533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163748503) 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, 43503 + ... + 47116.

It is an arithmetic number, because the mean of its divisors is an integer number (22201900).

Almost surely, 2^163748533 is an apocalyptic number.

163748533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

163748533 is a deficient number, since it is larger than the sum of its proper divisors (13866667).

163748533 is a wasteful number, since it uses less digits than its factorization.

163748533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90771.

The product of its digits is 181440, while the sum is 40.

The square root of 163748533 is about 12796.4265715082. The cubic root of 163748533 is about 547.0904569179.

The spelling of 163748533 in words is "one hundred sixty-three million, seven hundred forty-eight thousand, five hundred thirty-three".