6165421376613 has 16 divisors (see below), whose sum is σ = 8653279454400. Its totient is φ = 3893924931840.

The previous prime is 6165421376591. The next prime is 6165421376633. The reversal of 6165421376613 is 3166731245616.

It is not a de Polignac number, because 6165421376613 - 2²⁰ = 6165420328037 is a prime.

It is a super-3 number, since 3×6165421376613³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6165421376633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12577723 + ... + 13058711.

It is an arithmetic number, because the mean of its divisors is an integer number (540829965900).

Almost surely, 2^{6165421376613} is an apocalyptic number.

It is an amenable number.

6165421376613 is a deficient number, since it is larger than the sum of its proper divisors (2487858077787).

6165421376613 is a wasteful number, since it uses less digits than its factorization.

6165421376613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705892.

The product of its digits is 3265920, while the sum is 51.

The spelling of 6165421376613 in words is "six trillion, one hundred sixty-five billion, four hundred twenty-one million, three hundred seventy-six thousand, six hundred thirteen".