2162665543631 has 8 divisors (see below), whose sum is σ = 2172165015600. Its totient is φ = 2153166554880.

The previous prime is 2162665543583. The next prime is 2162665543639. The reversal of 2162665543631 is 1363455662612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2162665543631 - 2²² = 2162661349327 is a prime.

It is a super-2 number, since 2×2162665543631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2162665543631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162665543639) 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, 11152580 + ... + 11344838.

It is an arithmetic number, because the mean of its divisors is an integer number (271520626950).

Almost surely, 2^{2162665543631} is an apocalyptic number.

2162665543631 is a deficient number, since it is larger than the sum of its proper divisors (9499471969).

2162665543631 is a wasteful number, since it uses less digits than its factorization.

2162665543631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241609.

The product of its digits is 4665600, while the sum is 50.

The spelling of 2162665543631 in words is "two trillion, one hundred sixty-two billion, six hundred sixty-five million, five hundred forty-three thousand, six hundred thirty-one".