1164381918737 has 2 divisors, whose sum is σ = 1164381918738. Its totient is φ = 1164381918736.

The previous prime is 1164381918659. The next prime is 1164381918757. The reversal of 1164381918737 is 7378191834611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755145358081 + 409236560656 = 868991^2 + 639716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164381918737 - 2²⁴ = 1164365141521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164381918757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582190959368 + 582190959369.

It is an arithmetic number, because the mean of its divisors is an integer number (582190959369).

Almost surely, 2^{1164381918737} is an apocalyptic number.

It is an amenable number.

1164381918737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164381918737 is an equidigital number, since it uses as much as digits as its factorization.

1164381918737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 59.

The spelling of 1164381918737 in words is "one trillion, one hundred sixty-four billion, three hundred eighty-one million, nine hundred eighteen thousand, seven hundred thirty-seven".