2165043560154 has 16 divisors (see below), whose sum is σ = 4342148648640. Its totient is φ = 719670932000.

The previous prime is 2165043560107. The next prime is 2165043560171. The reversal of 2165043560154 is 4510653405612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502561347 + ... + 502565654.

It is an arithmetic number, because the mean of its divisors is an integer number (271384290540).

Almost surely, 2^{2165043560154} is an apocalyptic number.

2165043560154 is an abundant number, since it is smaller than the sum of its proper divisors (2177105088486).

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

2165043560154 is a wasteful number, since it uses less digits than its factorization.

2165043560154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005127365.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 2165043560154 its reverse (4510653405612), we get a palindrome (6675696965766).

The spelling of 2165043560154 in words is "two trillion, one hundred sixty-five billion, forty-three million, five hundred sixty thousand, one hundred fifty-four".