1161628347 has 16 divisors (see below), whose sum is σ = 1691981568. Its totient is φ = 703042080.

The previous prime is 1161628201. The next prime is 1161628381. The reversal of 1161628347 is 7438261611.

1161628347 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1161628347 - 2¹⁴ = 1161611963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1161628397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178 + ... + 48200.

It is an arithmetic number, because the mean of its divisors is an integer number (105748848).

Almost surely, 2^1161628347 is an apocalyptic number.

1161628347 is a deficient number, since it is larger than the sum of its proper divisors (530353221).

1161628347 is a wasteful number, since it uses less digits than its factorization.

1161628347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48770.

The product of its digits is 48384, while the sum is 39.

The square root of 1161628347 is about 34082.6693056750. The cubic root of 1161628347 is about 1051.2089919875.

Adding to 1161628347 its reverse (7438261611), we get a palindrome (8599889958).

The spelling of 1161628347 in words is "one billion, one hundred sixty-one million, six hundred twenty-eight thousand, three hundred forty-seven".