2164260065603 has 16 divisors (see below), whose sum is σ = 2192762908800. Its totient is φ = 2135853593280.

The previous prime is 2164260065573. The next prime is 2164260065621. The reversal of 2164260065603 is 3065600624612.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2164260065603 - 2⁸ = 2164260065347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164260065663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132257300 + ... + 132273662.

It is an arithmetic number, because the mean of its divisors is an integer number (137047681800).

Almost surely, 2^{2164260065603} is an apocalyptic number.

2164260065603 is a deficient number, since it is larger than the sum of its proper divisors (28502843197).

2164260065603 is a wasteful number, since it uses less digits than its factorization.

2164260065603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19202.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 2164260065603 in words is "two trillion, one hundred sixty-four billion, two hundred sixty million, sixty-five thousand, six hundred three".