6220421165 has 16 divisors (see below), whose sum is σ = 8533562880. Its totient is φ = 4264081920.

The previous prime is 6220421143. The next prime is 6220421201. The reversal of 6220421165 is 5611240226.

It is not a de Polignac number, because 6220421165 - 2²⁰ = 6219372589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91196 + ... + 144074.

It is an arithmetic number, because the mean of its divisors is an integer number (533347680).

Almost surely, 2^6220421165 is an apocalyptic number.

It is an amenable number.

6220421165 is a deficient number, since it is larger than the sum of its proper divisors (2313141715).

6220421165 is a wasteful number, since it uses less digits than its factorization.

6220421165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56252.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 6220421165 is about 78869.6466646073. The cubic root of 6220421165 is about 1839.1053035461.

The spelling of 6220421165 in words is "six billion, two hundred twenty million, four hundred twenty-one thousand, one hundred sixty-five".