1165156667 has 2 divisors, whose sum is σ = 1165156668. Its totient is φ = 1165156666.

The previous prime is 1165156661. The next prime is 1165156687. The reversal of 1165156667 is 7666515611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165156667 - 2⁴ = 1165156651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1165156661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582578333 + 582578334.

It is an arithmetic number, because the mean of its divisors is an integer number (582578334).

Almost surely, 2^1165156667 is an apocalyptic number.

1165156667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165156667 is an equidigital number, since it uses as much as digits as its factorization.

1165156667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 1165156667 is about 34134.3912645297. The cubic root of 1165156667 is about 1052.2722272911.

The spelling of 1165156667 in words is "one billion, one hundred sixty-five million, one hundred fifty-six thousand, six hundred sixty-seven".