6172961605543 has 8 divisors (see below), whose sum is σ = 6175071542016. Its totient is φ = 6170852037600.

The previous prime is 6172961605523. The next prime is 6172961605561. The reversal of 6172961605543 is 3455061692716.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6172961605543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6172961605523) 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, 35756730 + ... + 35928952.

It is an arithmetic number, because the mean of its divisors is an integer number (771883942752).

Almost surely, 2^{6172961605543} is an apocalyptic number.

6172961605543 is a deficient number, since it is larger than the sum of its proper divisors (2109936473).

6172961605543 is a wasteful number, since it uses less digits than its factorization.

6172961605543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184265.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 6172961605543 in words is "six trillion, one hundred seventy-two billion, nine hundred sixty-one million, six hundred five thousand, five hundred forty-three".