216610565100506 has 8 divisors (see below), whose sum is σ = 327396121297344. Its totient is φ = 107478524668060.

The previous prime is 216610565100481. The next prime is 216610565100511. The reversal of 216610565100506 is 605001565016612.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413378940770 + ... + 413378941293.

It is an arithmetic number, because the mean of its divisors is an integer number (40924515162168).

Almost surely, 2^{216610565100506} is an apocalyptic number.

216610565100506 is a deficient number, since it is larger than the sum of its proper divisors (110785556196838).

216610565100506 is a wasteful number, since it uses less digits than its factorization.

216610565100506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826757882196.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 216610565100506 in words is "two hundred sixteen trillion, six hundred ten billion, five hundred sixty-five million, one hundred thousand, five hundred six".