1167995957 has 2 divisors, whose sum is σ = 1167995958. Its totient is φ = 1167995956.

The previous prime is 1167995953. The next prime is 1167995977. The reversal of 1167995957 is 7595997611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156612081 + 11383876 = 34009^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167995957 - 2² = 1167995953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1167995896 and 1167995905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167995953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583997978 + 583997979.

It is an arithmetic number, because the mean of its divisors is an integer number (583997979).

Almost surely, 2^1167995957 is an apocalyptic number.

It is an amenable number.

1167995957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167995957 is an equidigital number, since it uses as much as digits as its factorization.

1167995957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5358150, while the sum is 59.

The square root of 1167995957 is about 34175.9558315492. The cubic root of 1167995957 is about 1053.1262705089.

The spelling of 1167995957 in words is "one billion, one hundred sixty-seven million, nine hundred ninety-five thousand, nine hundred fifty-seven".