1166797867 has 2 divisors, whose sum is σ = 1166797868. Its totient is φ = 1166797866.

The previous prime is 1166797837. The next prime is 1166797903. The reversal of 1166797867 is 7687976611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166797867 - 2²⁷ = 1032580139 is a prime.

It is a super-2 number, since 2×1166797867² = 2722834524871499378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1166797837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583398933 + 583398934.

It is an arithmetic number, because the mean of its divisors is an integer number (583398934).

Almost surely, 2^1166797867 is an apocalyptic number.

1166797867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166797867 is an equidigital number, since it uses as much as digits as its factorization.

1166797867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5334336, while the sum is 58.

The square root of 1166797867 is about 34158.4230754290. The cubic root of 1166797867 is about 1052.7660604390.

The spelling of 1166797867 in words is "one billion, one hundred sixty-six million, seven hundred ninety-seven thousand, eight hundred sixty-seven".