1166431535422 has 8 divisors (see below), whose sum is σ = 1749654086400. Its totient is φ = 583213506624.

The previous prime is 1166431535279. The next prime is 1166431535429. The reversal of 1166431535422 is 2245351346611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166431535429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388222 + ... + 1575937.

It is an arithmetic number, because the mean of its divisors is an integer number (218706760800).

Almost surely, 2^{1166431535422} is an apocalyptic number.

1166431535422 is a deficient number, since it is larger than the sum of its proper divisors (583222550978).

1166431535422 is a wasteful number, since it uses less digits than its factorization.

1166431535422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261090.

The product of its digits is 518400, while the sum is 43.

The spelling of 1166431535422 in words is "one trillion, one hundred sixty-six billion, four hundred thirty-one million, five hundred thirty-five thousand, four hundred twenty-two".