466145243221 has 24 divisors (see below), whose sum is σ = 556636974720. Its totient is φ = 389091148992.

The previous prime is 466145243209. The next prime is 466145243237. The reversal of 466145243221 is 122342541664.

It is not a de Polignac number, because 466145243221 - 2¹³ = 466145235029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466145247221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542211 + ... + 1107376.

It is an arithmetic number, because the mean of its divisors is an integer number (23193207280).

Almost surely, 2^466145243221 is an apocalyptic number.

It is an amenable number.

466145243221 is a deficient number, since it is larger than the sum of its proper divisors (90491731499).

466145243221 is a wasteful number, since it uses less digits than its factorization.

466145243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649753 (or 1649746 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 466145243221 its reverse (122342541664), we get a palindrome (588487784885).

The spelling of 466145243221 in words is "four hundred sixty-six billion, one hundred forty-five million, two hundred forty-three thousand, two hundred twenty-one".