216610435513 has 8 divisors (see below), whose sum is σ = 219419907200. Its totient is φ = 213802653168.

The previous prime is 216610435507. The next prime is 216610435543. The reversal of 216610435513 is 315534016612.

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

It is a cyclic number.

It is not a de Polignac number, because 216610435513 - 2³⁷ = 79171482041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216610435543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163206 + ... + 678127.

It is an arithmetic number, because the mean of its divisors is an integer number (27427488400).

Almost surely, 2^216610435513 is an apocalyptic number.

It is an amenable number.

216610435513 is a deficient number, since it is larger than the sum of its proper divisors (2809471687).

216610435513 is an equidigital number, since it uses as much as digits as its factorization.

216610435513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844671.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 216610435513 in words is "two hundred sixteen billion, six hundred ten million, four hundred thirty-five thousand, five hundred thirteen".