3211201466656 has 24 divisors (see below), whose sum is σ = 6596924753664. Its totient is φ = 1535792005440.

The previous prime is 3211201466611. The next prime is 3211201466689. The reversal of 3211201466656 is 6566641021123.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2181522000 + ... + 2181523471.

It is an arithmetic number, because the mean of its divisors is an integer number (274871864736).

Almost surely, 2^{3211201466656} is an apocalyptic number.

It is an amenable number.

3211201466656 is an abundant number, since it is smaller than the sum of its proper divisors (3385723287008).

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

3211201466656 is a wasteful number, since it uses less digits than its factorization.

3211201466656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363045504 (or 4363045496 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

Adding to 3211201466656 its reverse (6566641021123), we get a palindrome (9777842487779).

The spelling of 3211201466656 in words is "three trillion, two hundred eleven billion, two hundred one million, four hundred sixty-six thousand, six hundred fifty-six".