1665422465236 has 12 divisors (see below), whose sum is σ = 2914498510560. Its totient is φ = 832708605080.

The previous prime is 1665422465153. The next prime is 1665422465251. The reversal of 1665422465236 is 6325642245661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745355 + ... + 2525293.

It is an arithmetic number, because the mean of its divisors is an integer number (242874875880).

Almost surely, 2^{1665422465236} is an apocalyptic number.

It is an amenable number.

1665422465236 is a deficient number, since it is larger than the sum of its proper divisors (1249076045324).

1665422465236 is a wasteful number, since it uses less digits than its factorization.

1665422465236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313774 (or 1313772 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 52.

The spelling of 1665422465236 in words is "one trillion, six hundred sixty-five billion, four hundred twenty-two million, four hundred sixty-five thousand, two hundred thirty-six".