216176960 has 28 divisors (see below), whose sum is σ = 514772148. Its totient is φ = 86470656.

The previous prime is 216176959. The next prime is 216176963. The reversal of 216176960 is 69671612.

It can be written as a sum of positive squares in 2 ways, for example, as 105842944 + 110334016 = 10288^2 + 10504^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216176963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337457 + ... + 338096.

Almost surely, 2^216176960 is an apocalyptic number.

216176960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216176960 is an abundant number, since it is smaller than the sum of its proper divisors (298595188).

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

216176960 is an equidigital number, since it uses as much as digits as its factorization.

216176960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675570 (or 675560 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 216176960 is about 14702.9575256137. The cubic root of 216176960 is about 600.1638071265.

The spelling of 216176960 in words is "two hundred sixteen million, one hundred seventy-six thousand, nine hundred sixty".