7168641061 has 2 divisors, whose sum is σ = 7168641062. Its totient is φ = 7168641060.

The previous prime is 7168641001. The next prime is 7168641083. The reversal of 7168641061 is 1601468617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7156144836 + 12496225 = 84594^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 7168641061 - 2¹¹ = 7168639013 is a prime.

It is a super-2 number, since 2×7168641061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7168641001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3584320530 + 3584320531.

It is an arithmetic number, because the mean of its divisors is an integer number (3584320531).

Almost surely, 2^7168641061 is an apocalyptic number.

It is an amenable number.

7168641061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7168641061 is an equidigital number, since it uses as much as digits as its factorization.

7168641061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 7168641061 is about 84667.8277800960. The cubic root of 7168641061 is about 1928.1712890988.

The spelling of 7168641061 in words is "seven billion, one hundred sixty-eight million, six hundred forty-one thousand, sixty-one".