1161894173 has 8 divisors (see below), whose sum is σ = 1272456000. Its totient is φ = 1052154880.

The previous prime is 1161894133. The next prime is 1161894179. The reversal of 1161894173 is 3714981611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161894173 - 2¹⁴ = 1161877789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161894173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161894179) 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, 202673 + ... + 208326.

It is an arithmetic number, because the mean of its divisors is an integer number (159057000).

Almost surely, 2^1161894173 is an apocalyptic number.

It is an amenable number.

1161894173 is a deficient number, since it is larger than the sum of its proper divisors (110561827).

1161894173 is a wasteful number, since it uses less digits than its factorization.

1161894173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411267.

The product of its digits is 36288, while the sum is 41.

The square root of 1161894173 is about 34086.5688064962. The cubic root of 1161894173 is about 1051.2891717827.

The spelling of 1161894173 in words is "one billion, one hundred sixty-one million, eight hundred ninety-four thousand, one hundred seventy-three".