1161874349 has 8 divisors (see below), whose sum is σ = 1167559008. Its totient is φ = 1156202640.

The previous prime is 1161874331. The next prime is 1161874387. The reversal of 1161874349 is 9434781611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161874349 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 (1161874309) 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, 209399 + ... + 214875.

It is an arithmetic number, because the mean of its divisors is an integer number (145944876).

Almost surely, 2^1161874349 is an apocalyptic number.

It is an amenable number.

1161874349 is a deficient number, since it is larger than the sum of its proper divisors (5684659).

1161874349 is an equidigital number, since it uses as much as digits as its factorization.

1161874349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475.

The product of its digits is 145152, while the sum is 44.

The square root of 1161874349 is about 34086.2780162340. The cubic root of 1161874349 is about 1051.2831927886.

The spelling of 1161874349 in words is "one billion, one hundred sixty-one million, eight hundred seventy-four thousand, three hundred forty-nine".