163725384 has 64 divisors (see below), whose sum is σ = 424419840. Its totient is φ = 52577280.

The previous prime is 163725377. The next prime is 163725433. The reversal of 163725384 is 483527361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250402 + ... + 251054.

It is an arithmetic number, because the mean of its divisors is an integer number (6631560).

Almost surely, 2^163725384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163725384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212209920).

163725384 is an abundant number, since it is smaller than the sum of its proper divisors (260694456).

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

163725384 is a wasteful number, since it uses less digits than its factorization.

163725384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1026 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 163725384 is about 12795.5220292101. The cubic root of 163725384 is about 547.0646751219.

The spelling of 163725384 in words is "one hundred sixty-three million, seven hundred twenty-five thousand, three hundred eighty-four".