6162705221 has 4 divisors (see below), whose sum is σ = 6278982732. Its totient is φ = 6046427712.

The previous prime is 6162705193. The next prime is 6162705247. The reversal of 6162705221 is 1225072616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2255205121 + 3907500100 = 47489^2 + 62510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6162705221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6162701221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58138676 + ... + 58138781.

It is an arithmetic number, because the mean of its divisors is an integer number (1569745683).

Almost surely, 2^6162705221 is an apocalyptic number.

It is an amenable number.

6162705221 is a deficient number, since it is larger than the sum of its proper divisors (116277511).

6162705221 is a wasteful number, since it uses less digits than its factorization.

6162705221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116277510.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 6162705221 is about 78502.8994432690. The cubic root of 6162705221 is about 1833.3995971164.

Adding to 6162705221 its reverse (1225072616), we get a palindrome (7387777837).

The spelling of 6162705221 in words is "six billion, one hundred sixty-two million, seven hundred five thousand, two hundred twenty-one".