2163523564524 has 96 divisors (see below), whose sum is σ = 5938017845760. Its totient is φ = 600154555392.

The previous prime is 2163523564523. The next prime is 2163523564541. The reversal of 2163523564524 is 4254653253612.

It is not an unprimeable number, because it can be changed into a prime (2163523564523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706132 + ... + 2196740.

It is an arithmetic number, because the mean of its divisors is an integer number (61854352560).

Almost surely, 2^{2163523564524} 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 2163523564524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969008922880).

2163523564524 is an abundant number, since it is smaller than the sum of its proper divisors (3774494281236).

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

2163523564524 is a wasteful number, since it uses less digits than its factorization.

2163523564524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491127 (or 1491125 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 48.

The spelling of 2163523564524 in words is "two trillion, one hundred sixty-three billion, five hundred twenty-three million, five hundred sixty-four thousand, five hundred twenty-four".