4611662234221 has 32 divisors (see below), whose sum is σ = 5643692248320. Its totient is φ = 3680665920000.

The previous prime is 4611662234209. The next prime is 4611662234237. The reversal of 4611662234221 is 1224322661164.

It is a cyclic number.

It is not a de Polignac number, because 4611662234221 - 2⁷ = 4611662234093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4611662234261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587371 + ... + 3093271.

It is an arithmetic number, because the mean of its divisors is an integer number (176365382760).

Almost surely, 2^{4611662234221} is an apocalyptic number.

It is an amenable number.

4611662234221 is a deficient number, since it is larger than the sum of its proper divisors (1032030014099).

4611662234221 is a wasteful number, since it uses less digits than its factorization.

4611662234221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506165.

The product of its digits is 165888, while the sum is 40.

Adding to 4611662234221 its reverse (1224322661164), we get a palindrome (5835984895385).

The spelling of 4611662234221 in words is "four trillion, six hundred eleven billion, six hundred sixty-two million, two hundred thirty-four thousand, two hundred twenty-one".