1161536330 has 16 divisors (see below), whose sum is σ = 2114258760. Its totient is φ = 459393792.

The previous prime is 1161536323. The next prime is 1161536353. The reversal of 1161536330 is 336351611.

It can be written as a sum of positive squares in 4 ways, for example, as 532178761 + 629357569 = 23069^2 + 25087^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1161536293 and 1161536302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651659 + ... + 653438.

Almost surely, 2^1161536330 is an apocalyptic number.

1161536330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161536330 is a deficient number, since it is larger than the sum of its proper divisors (952722430).

1161536330 is a wasteful number, since it uses less digits than its factorization.

1161536330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305193.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 1161536330 is about 34081.3193700009. The cubic root of 1161536330 is about 1051.1812345003.

Adding to 1161536330 its reverse (336351611), we get a palindrome (1497887941).

The spelling of 1161536330 in words is "one billion, one hundred sixty-one million, five hundred thirty-six thousand, three hundred thirty".