163672752 has 80 divisors (see below), whose sum is σ = 439971840. Its totient is φ = 52367616.

The previous prime is 163672721. The next prime is 163672757. The reversal of 163672752 is 257276361.

It is a self number, because there is not a number n which added to its sum of digits gives 163672752.

It is not an unprimeable number, because it can be changed into a prime (163672757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427153 + ... + 427535.

It is an arithmetic number, because the mean of its divisors is an integer number (5499648).

Almost surely, 2^163672752 is an apocalyptic number.

163672752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163672752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219985920).

163672752 is an abundant number, since it is smaller than the sum of its proper divisors (276299088).

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

163672752 is a wasteful number, since it uses less digits than its factorization.

163672752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 724 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 163672752 is about 12793.4652068937. The cubic root of 163672752 is about 547.0060481024.

The spelling of 163672752 in words is "one hundred sixty-three million, six hundred seventy-two thousand, seven hundred fifty-two".