1151614161 has 12 divisors (see below), whose sum is σ = 1667289988. Its totient is φ = 765967104.

The previous prime is 1151614043. The next prime is 1151614169. The reversal of 1151614161 is 1614161511.

1151614161 is a `hidden beast` number, since 1 + 1 + 516 + 141 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 412861761 + 738752400 = 20319^2 + 27180^2 .

It is not a de Polignac number, because 1151614161 - 2¹⁸ = 1151352017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151614169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143860 + ... + 151653.

Almost surely, 2^1151614161 is an apocalyptic number.

It is an amenable number.

1151614161 is a deficient number, since it is larger than the sum of its proper divisors (515675827).

1151614161 is a wasteful number, since it uses less digits than its factorization.

1151614161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295952 (or 295949 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1151614161 is about 33935.4410756660. The cubic root of 1151614161 is about 1048.1795094021.

Adding to 1151614161 its reverse (1614161511), we get a palindrome (2765775672).

The spelling of 1151614161 in words is "one billion, one hundred fifty-one million, six hundred fourteen thousand, one hundred sixty-one".