1164622644552 has 32 divisors (see below), whose sum is σ = 2941572664800. Its totient is φ = 384205407744.

The previous prime is 1164622644547. The next prime is 1164622644553. The reversal of 1164622644552 is 2554462264611.

It is not an unprimeable number, because it can be changed into a prime (1164622644553) 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, 250131402 + ... + 250136057.

It is an arithmetic number, because the mean of its divisors is an integer number (91924145775).

Almost surely, 2^{1164622644552} is an apocalyptic number.

1164622644552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1164622644552 is an abundant number, since it is smaller than the sum of its proper divisors (1776950020248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164622644552 is a wasteful number, since it uses less digits than its factorization.

1164622644552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500267565 (or 500267561 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 48.

The spelling of 1164622644552 in words is "one trillion, one hundred sixty-four billion, six hundred twenty-two million, six hundred forty-four thousand, five hundred fifty-two".