1164516356665 has 16 divisors (see below), whose sum is σ = 1439300091600. Its totient is φ = 903837070080.

The previous prime is 1164516356657. The next prime is 1164516356671. The reversal of 1164516356665 is 5666536154611.

It can be written as a sum of positive squares in 8 ways, for example, as 5046113296 + 1159470243369 = 71036^2 + 1076787^2 .

It is not a de Polignac number, because 1164516356665 - 2³ = 1164516356657 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8953606 + ... + 9082735.

It is an arithmetic number, because the mean of its divisors is an integer number (89956255725).

Almost surely, 2^{1164516356665} is an apocalyptic number.

It is an amenable number.

1164516356665 is a deficient number, since it is larger than the sum of its proper divisors (274783734935).

1164516356665 is a wasteful number, since it uses less digits than its factorization.

1164516356665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036732.

The product of its digits is 11664000, while the sum is 55.

The spelling of 1164516356665 in words is "one trillion, one hundred sixty-four billion, five hundred sixteen million, three hundred fifty-six thousand, six hundred sixty-five".