1164174714221 has 4 divisors (see below), whose sum is σ = 1164503673600. Its totient is φ = 1163845754844.

The previous prime is 1164174714181. The next prime is 1164174714223. The reversal of 1164174714221 is 1224174714611.

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 1164174714221 - 2¹⁰ = 1164174713197 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 (1164174714223) 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, 164474381 + ... + 164481458.

It is an arithmetic number, because the mean of its divisors is an integer number (291125918400).

Almost surely, 2^{1164174714221} is an apocalyptic number.

It is an amenable number.

1164174714221 is a deficient number, since it is larger than the sum of its proper divisors (328959379).

1164174714221 is an equidigital number, since it uses as much as digits as its factorization.

1164174714221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328959378.

The product of its digits is 75264, while the sum is 41.

The spelling of 1164174714221 in words is "one trillion, one hundred sixty-four billion, one hundred seventy-four million, seven hundred fourteen thousand, two hundred twenty-one".