9216051860 has 12 divisors (see below), whose sum is σ = 19353708948. Its totient is φ = 3686420736.

The previous prime is 9216051851. The next prime is 9216051877. The reversal of 9216051860 is 681506129.

It can be written as a sum of positive squares in 2 ways, for example, as 5664368644 + 3551683216 = 75262^2 + 59596^2 .

It is a super-2 number, since 2×9216051860² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230401277 + ... + 230401316.

It is an arithmetic number, because the mean of its divisors is an integer number (1612809079).

Almost surely, 2^9216051860 is an apocalyptic number.

It is an amenable number.

9216051860 is an abundant number, since it is smaller than the sum of its proper divisors (10137657088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9216051860 is a wasteful number, since it uses less digits than its factorization.

9216051860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460802602 (or 460802600 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 9216051860 is about 96000.2701037867. The cubic root of 9216051860 is about 2096.5970479885.

Adding to 9216051860 its reverse (681506129), we get a palindrome (9897557989).

The spelling of 9216051860 in words is "nine billion, two hundred sixteen million, fifty-one thousand, eight hundred sixty".