1156430165 has 16 divisors (see below), whose sum is σ = 1517498496. Its totient is φ = 839025600.

The previous prime is 1156430113. The next prime is 1156430167. The reversal of 1156430165 is 5610346511.

It is not a de Polignac number, because 1156430165 - 2⁶ = 1156430101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156430167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817 + ... + 48126.

It is an arithmetic number, because the mean of its divisors is an integer number (94843656).

Almost surely, 2^1156430165 is an apocalyptic number.

It is an amenable number.

1156430165 is a deficient number, since it is larger than the sum of its proper divisors (361068331).

1156430165 is a wasteful number, since it uses less digits than its factorization.

1156430165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50380.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1156430165 is about 34006.3253674960. The cubic root of 1156430165 is about 1049.6386254524.

Adding to 1156430165 its reverse (5610346511), we get a palindrome (6766776676).

The spelling of 1156430165 in words is "one billion, one hundred fifty-six million, four hundred thirty thousand, one hundred sixty-five".