1136364661 has 2 divisors, whose sum is σ = 1136364662. Its totient is φ = 1136364660.

The previous prime is 1136364659. The next prime is 1136364667. The reversal of 1136364661 is 1664636311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098922500 + 37442161 = 33150^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136364661 - 2¹ = 1136364659 is a prime.

Together with 1136364659, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1136364661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136364667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568182330 + 568182331.

It is an arithmetic number, because the mean of its divisors is an integer number (568182331).

Almost surely, 2^1136364661 is an apocalyptic number.

It is an amenable number.

1136364661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136364661 is an equidigital number, since it uses as much as digits as its factorization.

1136364661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 1136364661 is about 33710.0083209720. The cubic root of 1136364661 is about 1043.5323248555.

The spelling of 1136364661 in words is "one billion, one hundred thirty-six million, three hundred sixty-four thousand, six hundred sixty-one".