1728163552 has 48 divisors (see below), whose sum is σ = 3484555200. Its totient is φ = 843448320.

The previous prime is 1728163531. The next prime is 1728163553. The reversal of 1728163552 is 2553618271.

It is a super-2 number, since 2×1728163552² = 5973098524922513408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728163553) 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, 221152 + ... + 228832.

It is an arithmetic number, because the mean of its divisors is an integer number (72594900).

Almost surely, 2^1728163552 is an apocalyptic number.

It is an amenable number.

1728163552 is an abundant number, since it is smaller than the sum of its proper divisors (1756391648).

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

1728163552 is an equidigital number, since it uses as much as digits as its factorization.

1728163552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7859 (or 7851 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 1728163552 is about 41571.1865599239. The cubic root of 1728163552 is about 1200.0378580649.

The spelling of 1728163552 in words is "one billion, seven hundred twenty-eight million, one hundred sixty-three thousand, five hundred fifty-two".