1164664484261 has 2 divisors, whose sum is σ = 1164664484262. Its totient is φ = 1164664484260.

The previous prime is 1164664484183. The next prime is 1164664484267. The reversal of 1164664484261 is 1624844664611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1164497816161 + 166668100 = 1079119^2 + 12910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164664484261 - 2¹⁰ = 1164664483237 is a prime.

It is a super-2 number, since 2×1164664484261² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164664484267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582332242130 + 582332242131.

It is an arithmetic number, because the mean of its divisors is an integer number (582332242131).

Almost surely, 2^{1164664484261} is an apocalyptic number.

It is an amenable number.

1164664484261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164664484261 is an equidigital number, since it uses as much as digits as its factorization.

1164664484261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 53.

The spelling of 1164664484261 in words is "one trillion, one hundred sixty-four billion, six hundred sixty-four million, four hundred eighty-four thousand, two hundred sixty-one".