216712622606 has 4 divisors (see below), whose sum is σ = 325068933912. Its totient is φ = 108356311302.

The previous prime is 216712622603. The next prime is 216712622663. The reversal of 216712622606 is 606226217612.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×216712622606³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216712622603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54178155650 + ... + 54178155653.

It is an arithmetic number, because the mean of its divisors is an integer number (81267233478).

Almost surely, 2^216712622606 is an apocalyptic number.

216712622606 is a deficient number, since it is larger than the sum of its proper divisors (108356311306).

216712622606 is a wasteful number, since it uses less digits than its factorization.

216712622606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108356311305.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 216712622606 in words is "two hundred sixteen billion, seven hundred twelve million, six hundred twenty-two thousand, six hundred six".