6121622164 has 24 divisors (see below), whose sum is σ = 12247977728. Its totient is φ = 2622538080.

The previous prime is 6121622161. The next prime is 6121622167. The reversal of 6121622164 is 4612261216.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6121622161) and next prime (6121622167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121622161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33862 + ... + 115714.

Almost surely, 2^6121622164 is an apocalyptic number.

It is an amenable number.

6121622164 is an abundant number, since it is smaller than the sum of its proper divisors (6126355564).

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

6121622164 is a wasteful number, since it uses less digits than its factorization.

6121622164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84535 (or 84533 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 6121622164 is about 78240.7960337828. The cubic root of 6121622164 is about 1829.3164520872.

The spelling of 6121622164 in words is "six billion, one hundred twenty-one million, six hundred twenty-two thousand, one hundred sixty-four".