6211321316 has 12 divisors (see below), whose sum is σ = 10926133932. Its totient is φ = 3089568768.

The previous prime is 6211321271. The next prime is 6211321343. The reversal of 6211321316 is 6131231126.

It can be written as a sum of positive squares in 2 ways, for example, as 4173160000 + 2038161316 = 64600^2 + 45146^2 .

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, 4022105 + ... + 4023648.

It is an arithmetic number, because the mean of its divisors is an integer number (910511161).

Almost surely, 2^6211321316 is an apocalyptic number.

It is an amenable number.

6211321316 is a deficient number, since it is larger than the sum of its proper divisors (4714812616).

6211321316 is a wasteful number, since it uses less digits than its factorization.

6211321316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045950 (or 8045948 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 6211321316 is about 78811.9363802210. The cubic root of 6211321316 is about 1838.2080573321.

The spelling of 6211321316 in words is "six billion, two hundred eleven million, three hundred twenty-one thousand, three hundred sixteen".