216417076 has 24 divisors (see below), whose sum is σ = 393016064. Its totient is φ = 104163840.

The previous prime is 216417067. The next prime is 216417079. The reversal of 216417076 is 670714612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216417079) 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 7 ways as a sum of consecutive naturals, for example, 19411 + ... + 28453.

Almost surely, 2^216417076 is an apocalyptic number.

It is an amenable number.

216417076 is a deficient number, since it is larger than the sum of its proper divisors (176598988).

216417076 is a wasteful number, since it uses less digits than its factorization.

216417076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271 (or 9269 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 216417076 is about 14711.1208274557. The cubic root of 216417076 is about 600.3859331875.

The spelling of 216417076 in words is "two hundred sixteen million, four hundred seventeen thousand, seventy-six".