2116329620 has 12 divisors (see below), whose sum is σ = 4444292244. Its totient is φ = 846531840.

The previous prime is 2116329619. The next prime is 2116329623. The reversal of 2116329620 is 269236112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1441265296 + 675064324 = 37964^2 + 25982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116329623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52908221 + ... + 52908260.

It is an arithmetic number, because the mean of its divisors is an integer number (370357687).

Almost surely, 2^2116329620 is an apocalyptic number.

2116329620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116329620 is an abundant number, since it is smaller than the sum of its proper divisors (2327962624).

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

2116329620 is a wasteful number, since it uses less digits than its factorization.

2116329620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105816490 (or 105816488 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2116329620 is about 46003.5826865691. The cubic root of 2116329620 is about 1283.8898636782.

The spelling of 2116329620 in words is "two billion, one hundred sixteen million, three hundred twenty-nine thousand, six hundred twenty".