2165332210254 has 48 divisors (see below), whose sum is σ = 4740557938272. Its totient is φ = 714248426304.

The previous prime is 2165332210241. The next prime is 2165332210313. The reversal of 2165332210254 is 4520122335612.

2165332210254 is a `hidden beast` number, since 2 + 1 + 65 + 332 + 2 + 10 + 254 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2120224 + ... + 2970860.

It is an arithmetic number, because the mean of its divisors is an integer number (98761623714).

Almost surely, 2^{2165332210254} is an apocalyptic number.

2165332210254 is an abundant number, since it is smaller than the sum of its proper divisors (2575225728018).

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

2165332210254 is a wasteful number, since it uses less digits than its factorization.

2165332210254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852121 (or 852118 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 2165332210254 its reverse (4520122335612), we get a palindrome (6685454545866).

The spelling of 2165332210254 in words is "two trillion, one hundred sixty-five billion, three hundred thirty-two million, two hundred ten thousand, two hundred fifty-four".