2165736594446 has 4 divisors (see below), whose sum is σ = 3248604891672. Its totient is φ = 1082868297222.

The previous prime is 2165736594433. The next prime is 2165736594481. The reversal of 2165736594446 is 6444956375612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541434148610 + ... + 541434148613.

It is an arithmetic number, because the mean of its divisors is an integer number (812151222918).

Almost surely, 2^{2165736594446} is an apocalyptic number.

2165736594446 is a deficient number, since it is larger than the sum of its proper divisors (1082868297226).

2165736594446 is a wasteful number, since it uses less digits than its factorization.

2165736594446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082868297225.

The product of its digits is 130636800, while the sum is 62.

The spelling of 2165736594446 in words is "two trillion, one hundred sixty-five billion, seven hundred thirty-six million, five hundred ninety-four thousand, four hundred forty-six".