2164504415406 has 16 divisors (see below), whose sum is σ = 4331743536384. Its totient is φ = 721045687544.

The previous prime is 2164504415371. The next prime is 2164504415453. The reversal of 2164504415406 is 6045144054612.

It is a happy number.

It is a congruent number.

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, 113935776 + ... + 113954771.

It is an arithmetic number, because the mean of its divisors is an integer number (270733971024).

Almost surely, 2^{2164504415406} is an apocalyptic number.

2164504415406 is an abundant number, since it is smaller than the sum of its proper divisors (2167239120978).

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

2164504415406 is a wasteful number, since it uses less digits than its factorization.

2164504415406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227892135.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 2164504415406 in words is "two trillion, one hundred sixty-four billion, five hundred four million, four hundred fifteen thousand, four hundred six".