2163612263352 has 128 divisors (see below), whose sum is σ = 5571400665600. Its totient is φ = 699781759488.

The previous prime is 2163612263347. The next prime is 2163612263377. The reversal of 2163612263352 is 2533622163612.

It is a super-2 number, since 2×2163612263352² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 397939578 + ... + 397945014.

It is an arithmetic number, because the mean of its divisors is an integer number (43526567700).

Almost surely, 2^{2163612263352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2163612263352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785700332800).

2163612263352 is an abundant number, since it is smaller than the sum of its proper divisors (3407788402248).

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

2163612263352 is a wasteful number, since it uses less digits than its factorization.

2163612263352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965 (or 7961 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The spelling of 2163612263352 in words is "two trillion, one hundred sixty-three billion, six hundred twelve million, two hundred sixty-three thousand, three hundred fifty-two".