1161453349 has 16 divisors (see below), whose sum is σ = 1365350272. Its totient is φ = 967292928.

The previous prime is 1161453343. The next prime is 1161453367. The reversal of 1161453349 is 9433541611.

It is not a de Polignac number, because 1161453349 - 2¹⁷ = 1161322277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161453343) 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, 48097 + ... + 68089.

It is an arithmetic number, because the mean of its divisors is an integer number (85334392).

Almost surely, 2^1161453349 is an apocalyptic number.

It is an amenable number.

1161453349 is a deficient number, since it is larger than the sum of its proper divisors (203896923).

1161453349 is a wasteful number, since it uses less digits than its factorization.

1161453349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20236.

The product of its digits is 38880, while the sum is 37.

The square root of 1161453349 is about 34080.1019511386. The cubic root of 1161453349 is about 1051.1562015203.

The spelling of 1161453349 in words is "one billion, one hundred sixty-one million, four hundred fifty-three thousand, three hundred forty-nine".