1166970427453 has 4 divisors (see below), whose sum is σ = 1167026924448. Its totient is φ = 1166913930460.

The previous prime is 1166970427313. The next prime is 1166970427459. The reversal of 1166970427453 is 3547240796611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1166970427453 - 2²¹ = 1166968330301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166970427394 and 1166970427403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166970427459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28217503 + ... + 28258828.

It is an arithmetic number, because the mean of its divisors is an integer number (291756731112).

Almost surely, 2^{1166970427453} is an apocalyptic number.

It is an amenable number.

1166970427453 is a deficient number, since it is larger than the sum of its proper divisors (56496995).

1166970427453 is an equidigital number, since it uses as much as digits as its factorization.

1166970427453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56496994.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 1166970427453 in words is "one trillion, one hundred sixty-six billion, nine hundred seventy million, four hundred twenty-seven thousand, four hundred fifty-three".