1166372027237 has 2 divisors, whose sum is σ = 1166372027238. Its totient is φ = 1166372027236.

The previous prime is 1166372027213. The next prime is 1166372027239. The reversal of 1166372027237 is 7327202736611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1133914041316 + 32457985921 = 1064854^2 + 180161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166372027237 is a prime.

Together with 1166372027239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166372027191 and 1166372027200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166372027239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583186013618 + 583186013619.

It is an arithmetic number, because the mean of its divisors is an integer number (583186013619).

Almost surely, 2^{1166372027237} is an apocalyptic number.

It is an amenable number.

1166372027237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166372027237 is an equidigital number, since it uses as much as digits as its factorization.

1166372027237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 1166372027237 in words is "one trillion, one hundred sixty-six billion, three hundred seventy-two million, twenty-seven thousand, two hundred thirty-seven".