2162661200243 has 8 divisors (see below), whose sum is σ = 2276597643600. Its totient is φ = 2048735973888.

The previous prime is 2162661200179. The next prime is 2162661200327. The reversal of 2162661200243 is 3420021662612.

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

It is not a de Polignac number, because 2162661200243 - 2⁶ = 2162661200179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162661200443) 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, 2407046 + ... + 3181067.

It is an arithmetic number, because the mean of its divisors is an integer number (284574705450).

Almost surely, 2^{2162661200243} is an apocalyptic number.

2162661200243 is a deficient number, since it is larger than the sum of its proper divisors (113936443357).

2162661200243 is a wasteful number, since it uses less digits than its factorization.

2162661200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608501.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 2162661200243 its reverse (3420021662612), we get a palindrome (5582682862855).

The spelling of 2162661200243 in words is "two trillion, one hundred sixty-two billion, six hundred sixty-one million, two hundred thousand, two hundred forty-three".