1161516067 has 16 divisors (see below), whose sum is σ = 1217288160. Its totient is φ = 1107475200.

The previous prime is 1161516061. The next prime is 1161516073. The reversal of 1161516067 is 7606151611.

It is an interprime number because it is at equal distance from previous prime (1161516061) and next prime (1161516073).

It is a cyclic number.

It is not a de Polignac number, because 1161516067 - 2¹⁹ = 1160991779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161516061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260517 + ... + 264937.

It is an arithmetic number, because the mean of its divisors is an integer number (76080510).

Almost surely, 2^1161516067 is an apocalyptic number.

1161516067 is a deficient number, since it is larger than the sum of its proper divisors (55772093).

1161516067 is an equidigital number, since it uses as much as digits as its factorization.

1161516067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1161516067 is about 34081.0220944150. The cubic root of 1161516067 is about 1051.1751218463.

Adding to 1161516067 its reverse (7606151611), we get a palindrome (8767667678).

The spelling of 1161516067 in words is "one billion, one hundred sixty-one million, five hundred sixteen thousand, sixty-seven".