216260760 has 64 divisors (see below), whose sum is σ = 663886080. Its totient is φ = 56327040.

The previous prime is 216260753. The next prime is 216260761. The reversal of 216260760 is 67062612.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216260761) by changing a digit.

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, 15796 + ... + 26115.

It is an arithmetic number, because the mean of its divisors is an integer number (10373220).

Almost surely, 2^216260760 is an apocalyptic number.

216260760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216260760 is an abundant number, since it is smaller than the sum of its proper divisors (447625320).

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

216260760 is a wasteful number, since it uses less digits than its factorization.

216260760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41968 (or 41964 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 216260760 is about 14705.8070162776. The cubic root of 216260760 is about 600.2413473505.

The spelling of 216260760 in words is "two hundred sixteen million, two hundred sixty thousand, seven hundred sixty".