1168148437 has 2 divisors, whose sum is σ = 1168148438. Its totient is φ = 1168148436.

The previous prime is 1168148393. The next prime is 1168148473. The reversal of 1168148437 is 7348418611.

Together with next prime (1168148473) 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., 587868516 + 580279921 = 24246^2 + 24089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168148437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1168148393 and 1168148402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168148237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584074218 + 584074219.

It is an arithmetic number, because the mean of its divisors is an integer number (584074219).

Almost surely, 2^1168148437 is an apocalyptic number.

It is an amenable number.

1168148437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168148437 is an equidigital number, since it uses as much as digits as its factorization.

1168148437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 1168148437 is about 34178.1865668733. The cubic root of 1168148437 is about 1053.1720964970.

The spelling of 1168148437 in words is "one billion, one hundred sixty-eight million, one hundred forty-eight thousand, four hundred thirty-seven".