1167688481 has 2 divisors, whose sum is σ = 1167688482. Its totient is φ = 1167688480.

The previous prime is 1167688429. The next prime is 1167688499. The reversal of 1167688481 is 1848867611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956974225 + 210714256 = 30935^2 + 14516^2 .

It is an emirp because it is prime and its reverse (1848867611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1167688481 is a prime.

It is a super-2 number, since 2×1167688481² = 2726992777320174722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1167681481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583844240 + 583844241.

It is an arithmetic number, because the mean of its divisors is an integer number (583844241).

Almost surely, 2^1167688481 is an apocalyptic number.

It is an amenable number.

1167688481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167688481 is an equidigital number, since it uses as much as digits as its factorization.

1167688481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 50.

The square root of 1167688481 is about 34171.4571096990. The cubic root of 1167688481 is about 1053.0338502484.

The spelling of 1167688481 in words is "one billion, one hundred sixty-seven million, six hundred eighty-eight thousand, four hundred eighty-one".