1164546641 has 2 divisors, whose sum is σ = 1164546642. Its totient is φ = 1164546640.

The previous prime is 1164546623. The next prime is 1164546667. The reversal of 1164546641 is 1466454611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161378241 + 3168400 = 34079^2 + 1780^2 .

It is an emirp because it is prime and its reverse (1466454611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1164546641 - 2¹⁰ = 1164545617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1164546595 and 1164546604.

It is not a weakly prime, because it can be changed into another prime (1164546241) 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, 582273320 + 582273321.

It is an arithmetic number, because the mean of its divisors is an integer number (582273321).

Almost surely, 2^1164546641 is an apocalyptic number.

It is an amenable number.

1164546641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164546641 is an equidigital number, since it uses as much as digits as its factorization.

1164546641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 1164546641 is about 34125.4544438605. The cubic root of 1164546641 is about 1052.0885537147.

The spelling of 1164546641 in words is "one billion, one hundred sixty-four million, five hundred forty-six thousand, six hundred forty-one".