1168597061 has 2 divisors, whose sum is σ = 1168597062. Its totient is φ = 1168597060.

The previous prime is 1168597057. The next prime is 1168597091. The reversal of 1168597061 is 1607958611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970322500 + 198274561 = 31150^2 + 14081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168597061 - 2² = 1168597057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168597091) 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 as a sum of consecutive naturals, namely, 584298530 + 584298531.

It is an arithmetic number, because the mean of its divisors is an integer number (584298531).

Almost surely, 2^1168597061 is an apocalyptic number.

It is an amenable number.

1168597061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168597061 is an equidigital number, since it uses as much as digits as its factorization.

1168597061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1168597061 is about 34184.7489532979. The cubic root of 1168597061 is about 1053.3069017985.

The spelling of 1168597061 in words is "one billion, one hundred sixty-eight million, five hundred ninety-seven thousand, sixty-one".