2163177328 has 40 divisors (see below), whose sum is σ = 4516894928. Its totient is φ = 997650432.

The previous prime is 2163177323. The next prime is 2163177371. The reversal of 2163177328 is 8237713612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163177323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 360400 + ... + 366352.

Almost surely, 2^2163177328 is an apocalyptic number.

It is an amenable number.

2163177328 is an abundant number, since it is smaller than the sum of its proper divisors (2353717600).

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

2163177328 is a wasteful number, since it uses less digits than its factorization.

2163177328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721 (or 7715 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 2163177328 is about 46509.9701999475. The cubic root of 2163177328 is about 1293.2943317911.

It can be divided in two parts, 21631773 and 28, that added together give a square (21631801 = 4651²).

The spelling of 2163177328 in words is "two billion, one hundred sixty-three million, one hundred seventy-seven thousand, three hundred twenty-eight".