1165755967 has 2 divisors, whose sum is σ = 1165755968. Its totient is φ = 1165755966.

The previous prime is 1165755953. The next prime is 1165756051. The reversal of 1165755967 is 7695575611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165755967 - 2¹⁹ = 1165231679 is a prime.

It is a super-2 number, since 2×1165755967² = 2717973949192210178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165755917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582877983 + 582877984.

It is an arithmetic number, because the mean of its divisors is an integer number (582877984).

Almost surely, 2^1165755967 is an apocalyptic number.

1165755967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165755967 is an equidigital number, since it uses as much as digits as its factorization.

1165755967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1984500, while the sum is 52.

The square root of 1165755967 is about 34143.1686725178. The cubic root of 1165755967 is about 1052.4526089437.

The spelling of 1165755967 in words is "one billion, one hundred sixty-five million, seven hundred fifty-five thousand, nine hundred sixty-seven".