1171668037 has 2 divisors, whose sum is σ = 1171668038. Its totient is φ = 1171668036.

The previous prime is 1171667993. The next prime is 1171668073. The reversal of 1171668037 is 7308661711.

Together with next prime (1171668073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666362596 + 505305441 = 25814^2 + 22479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1171668037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171668077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585834018 + 585834019.

It is an arithmetic number, because the mean of its divisors is an integer number (585834019).

Almost surely, 2^1171668037 is an apocalyptic number.

It is an amenable number.

1171668037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171668037 is an equidigital number, since it uses as much as digits as its factorization.

1171668037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1171668037 is about 34229.6368224964. The cubic root of 1171668037 is about 1054.2287624247.

The spelling of 1171668037 in words is "one billion, one hundred seventy-one million, six hundred sixty-eight thousand, thirty-seven".