6221671505164 has 6 divisors (see below), whose sum is σ = 10887925134044. Its totient is φ = 3110835752580.

The previous prime is 6221671505099. The next prime is 6221671505173. The reversal of 6221671505164 is 4615051761226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777708938142 + ... + 777708938149.

Almost surely, 2^{6221671505164} is an apocalyptic number.

It is an amenable number.

6221671505164 is a deficient number, since it is larger than the sum of its proper divisors (4666253628880).

6221671505164 is a wasteful number, since it uses less digits than its factorization.

6221671505164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555417876295 (or 1555417876293 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 6221671505164 in words is "six trillion, two hundred twenty-one billion, six hundred seventy-one million, five hundred five thousand, one hundred sixty-four".