216110752069 has 12 divisors (see below), whose sum is σ = 222669473124. Its totient is φ = 209739746304.

The previous prime is 216110752061. The next prime is 216110752097. The reversal of 216110752069 is 960257011612.

It can be written as a sum of positive squares in 6 ways, for example, as 120713163844 + 95397588225 = 347438^2 + 308865^2 .

It is not a de Polignac number, because 216110752069 - 2³ = 216110752061 is a prime.

It is a super-2 number, since 2×216110752069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216110752061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344677 + ... + 742309.

It is an arithmetic number, because the mean of its divisors is an integer number (18555789427).

Almost surely, 2^216110752069 is an apocalyptic number.

It is an amenable number.

216110752069 is a deficient number, since it is larger than the sum of its proper divisors (6558721055).

216110752069 is an equidigital number, since it uses as much as digits as its factorization.

216110752069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398104 (or 398067 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 216110752069 in words is "two hundred sixteen billion, one hundred ten million, seven hundred fifty-two thousand, sixty-nine".