2162253242564 has 6 divisors (see below), whose sum is σ = 3783943174494. Its totient is φ = 1081126621280.

The previous prime is 2162253242561. The next prime is 2162253242573. The reversal of 2162253242564 is 4652423522612.

It can be written as a sum of positive squares in only one way, i.e., 1738816724164 + 423436518400 = 1318642^2 + 650720^2 .

It is not an unprimeable number, because it can be changed into a prime (2162253242561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270281655317 + ... + 270281655324.

It is an arithmetic number, because the mean of its divisors is an integer number (630657195749).

Almost surely, 2^{2162253242564} is an apocalyptic number.

It is an amenable number.

2162253242564 is a deficient number, since it is larger than the sum of its proper divisors (1621689931930).

2162253242564 is a wasteful number, since it uses less digits than its factorization.

2162253242564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540563310645 (or 540563310643 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 44.

The spelling of 2162253242564 in words is "two trillion, one hundred sixty-two billion, two hundred fifty-three million, two hundred forty-two thousand, five hundred sixty-four".