216000766 has 8 divisors (see below), whose sum is σ = 325155024. Its totient is φ = 107615760.

The previous prime is 216000761. The next prime is 216000779. The reversal of 216000766 is 667000612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216000761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191610 + ... + 192733.

It is an arithmetic number, because the mean of its divisors is an integer number (40644378).

Almost surely, 2^216000766 is an apocalyptic number.

216000766 is a deficient number, since it is larger than the sum of its proper divisors (109154258).

216000766 is a wasteful number, since it uses less digits than its factorization.

216000766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384626.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 216000766 is about 14696.9645165252. The cubic root of 216000766 is about 600.0007092584. Note that the first 3 decimals are identical.

The spelling of 216000766 in words is "two hundred sixteen million, seven hundred sixty-six", and thus it is an aban number.