1161523346 has 16 divisors (see below), whose sum is σ = 1748718720. Its totient is φ = 578622240.

The previous prime is 1161523343. The next prime is 1161523357. The reversal of 1161523346 is 6433251611.

It is not an unprimeable number, because it can be changed into a prime (1161523343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058270 + ... + 1059366.

It is an arithmetic number, because the mean of its divisors is an integer number (109294920).

Almost surely, 2^1161523346 is an apocalyptic number.

1161523346 is a deficient number, since it is larger than the sum of its proper divisors (587195374).

1161523346 is a wasteful number, since it uses less digits than its factorization.

1161523346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its digits is 12960, while the sum is 32.

The square root of 1161523346 is about 34081.1288838853. The cubic root of 1161523346 is about 1051.1773176798.

Adding to 1161523346 its reverse (6433251611), we get a palindrome (7594774957).

The spelling of 1161523346 in words is "one billion, one hundred sixty-one million, five hundred twenty-three thousand, three hundred forty-six".