216766010 has 32 divisors (see below), whose sum is σ = 413043840. Its totient is φ = 81764928.

The previous prime is 216765977. The next prime is 216766027. The reversal of 216766010 is 10667612.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3779 + ... + 21161.

It is an arithmetic number, because the mean of its divisors is an integer number (12907620).

Almost surely, 2^216766010 is an apocalyptic number.

216766010 is a deficient number, since it is larger than the sum of its proper divisors (196277830).

216766010 is a wasteful number, since it uses less digits than its factorization.

216766010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 216766010 is about 14722.9755824018. The cubic root of 216766010 is about 600.7084317301.

The spelling of 216766010 in words is "two hundred sixteen million, seven hundred sixty-six thousand, ten".