1161213068 has 6 divisors (see below), whose sum is σ = 2032122876. Its totient is φ = 580606532.

The previous prime is 1161213047. The next prime is 1161213083. The reversal of 1161213068 is 8603121611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161213068.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145151630 + ... + 145151637.

It is an arithmetic number, because the mean of its divisors is an integer number (338687146).

Almost surely, 2^1161213068 is an apocalyptic number.

It is an amenable number.

1161213068 is a deficient number, since it is larger than the sum of its proper divisors (870909808).

1161213068 is a wasteful number, since it uses less digits than its factorization.

1161213068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290303271 (or 290303269 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1161213068 is about 34076.5765299274. The cubic root of 1161213068 is about 1051.0837089307.

Adding to 1161213068 its reverse (8603121611), we get a palindrome (9764334679).

The spelling of 1161213068 in words is "one billion, one hundred sixty-one million, two hundred thirteen thousand, sixty-eight".