216016170773 has 8 divisors (see below), whose sum is σ = 232718584728. Its totient is φ = 199326011904.

The previous prime is 216016170743. The next prime is 216016170781. The reversal of 216016170773 is 377071610612.

It can be written as a sum of positive squares in 4 ways, for example, as 75318411364 + 140697759409 = 274442^2 + 375097^2 .

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 216016170773 - 2¹² = 216016166677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216016170773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216016170743) 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, 3027140 + ... + 3097677.

It is an arithmetic number, because the mean of its divisors is an integer number (29089823091).

Almost surely, 2^216016170773 is an apocalyptic number.

It is an amenable number.

216016170773 is a deficient number, since it is larger than the sum of its proper divisors (16702413955).

216016170773 is a wasteful number, since it uses less digits than its factorization.

216016170773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127543.

The product of its (nonzero) digits is 74088, while the sum is 41.

The spelling of 216016170773 in words is "two hundred sixteen billion, sixteen million, one hundred seventy thousand, seven hundred seventy-three".