1161320108 has 12 divisors (see below), whose sum is σ = 2188641840. Its totient is φ = 535993872.

The previous prime is 1161320087. The next prime is 1161320123. The reversal of 1161320108 is 8010231611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11166488 + ... + 11166591.

It is an arithmetic number, because the mean of its divisors is an integer number (182386820).

Almost surely, 2^1161320108 is an apocalyptic number.

It is an amenable number.

1161320108 is a deficient number, since it is larger than the sum of its proper divisors (1027321732).

1161320108 is a wasteful number, since it uses less digits than its factorization.

1161320108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22333096 (or 22333094 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1161320108 is about 34078.1470740415. The cubic root of 1161320108 is about 1051.1160040499.

Adding to 1161320108 its reverse (8010231611), we get a palindrome (9171551719).

The spelling of 1161320108 in words is "one billion, one hundred sixty-one million, three hundred twenty thousand, one hundred eight".