216613104346 has 8 divisors (see below), whose sum is σ = 325011738420. Its totient is φ = 108275858208.

The previous prime is 216613104343. The next prime is 216613104347. The reversal of 216613104346 is 643401316612.

It can be written as a sum of positive squares in 2 ways, for example, as 213433836121 + 3179268225 = 461989^2 + 56385^2 .

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

It is a super-2 number, since 2×216613104346² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216613104343) 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, 15338161 + ... + 15352276.

Almost surely, 2^216613104346 is an apocalyptic number.

216613104346 is a deficient number, since it is larger than the sum of its proper divisors (108398634074).

216613104346 is a wasteful number, since it uses less digits than its factorization.

216613104346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30693968.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 216613104346 in words is "two hundred sixteen billion, six hundred thirteen million, one hundred four thousand, three hundred forty-six".