216675480 has 64 divisors (see below), whose sum is σ = 742890240. Its totient is φ = 49525632.

The previous prime is 216675467. The next prime is 216675491. The reversal of 216675480 is 84576612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128134 + ... + 129813.

It is an arithmetic number, because the mean of its divisors is an integer number (11607660).

Almost surely, 2^216675480 is an apocalyptic number.

216675480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216675480 is an abundant number, since it is smaller than the sum of its proper divisors (526214760).

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

216675480 is a wasteful number, since it uses less digits than its factorization.

216675480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257968 (or 257964 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 216675480 is about 14719.9008148832. The cubic root of 216675480 is about 600.6247936069.

The spelling of 216675480 in words is "two hundred sixteen million, six hundred seventy-five thousand, four hundred eighty".