2165134458038 has 16 divisors (see below), whose sum is σ = 3257132709600. Its totient is φ = 1079423794176.

The previous prime is 2165134458037. The next prime is 2165134458083. The reversal of 2165134458038 is 8308544315612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165134458037) 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, 26674031 + ... + 26755077.

It is an arithmetic number, because the mean of its divisors is an integer number (203570794350).

Almost surely, 2^{2165134458038} is an apocalyptic number.

2165134458038 is a deficient number, since it is larger than the sum of its proper divisors (1091998251562).

2165134458038 is a wasteful number, since it uses less digits than its factorization.

2165134458038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119671.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 2165134458038 in words is "two trillion, one hundred sixty-five billion, one hundred thirty-four million, four hundred fifty-eight thousand, thirty-eight".