2165430460405 has 16 divisors (see below), whose sum is σ = 2633857047360. Its totient is φ = 1708900388352.

The previous prime is 2165430460367. The next prime is 2165430460421. The reversal of 2165430460405 is 5040640345612.

It is a cyclic number.

It is not a de Polignac number, because 2165430460405 - 2¹⁵ = 2165430427637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7122775 + ... + 7420564.

It is an arithmetic number, because the mean of its divisors is an integer number (164616065460).

Almost surely, 2^{2165430460405} is an apocalyptic number.

It is an amenable number.

2165430460405 is a deficient number, since it is larger than the sum of its proper divisors (468426586955).

2165430460405 is a wasteful number, since it uses less digits than its factorization.

2165430460405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14543748.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 2165430460405 in words is "two trillion, one hundred sixty-five billion, four hundred thirty million, four hundred sixty thousand, four hundred five".