2165141041650 has 96 divisors (see below), whose sum is σ = 6127414308480. Its totient is φ = 561766311360.

The previous prime is 2165141041601. The next prime is 2165141041703. The reversal of 2165141041650 is 561401415612.

2165141041650 is a `hidden beast` number, since 21 + 6 + 514 + 104 + 16 + 5 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21623134 + ... + 21723033.

It is an arithmetic number, because the mean of its divisors is an integer number (63827232380).

Almost surely, 2^{2165141041650} is an apocalyptic number.

2165141041650 is an abundant number, since it is smaller than the sum of its proper divisors (3962273266830).

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

2165141041650 is a wasteful number, since it uses less digits than its factorization.

2165141041650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43346225 (or 43346214 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 2165141041650 in words is "two trillion, one hundred sixty-five billion, one hundred forty-one million, forty-one thousand, six hundred fifty".