6161879 has 4 divisors (see below), whose sum is σ = 6218520. Its totient is φ = 6105240.

The previous prime is 6161873. The next prime is 6161899. The reversal of 6161879 is 9781616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6161879 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 (6161873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28157 + ... + 28374.

It is an arithmetic number, because the mean of its divisors is an integer number (1554630).

Almost surely, 2^6161879 is an apocalyptic number.

6161879 is a deficient number, since it is larger than the sum of its proper divisors (56641).

6161879 is a wasteful number, since it uses less digits than its factorization.

6161879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56640.

The product of its digits is 18144, while the sum is 38.

The square root of 6161879 is about 2482.3132356735. The cubic root of 6161879 is about 183.3317660105.

The spelling of 6161879 in words is "six million, one hundred sixty-one thousand, eight hundred seventy-nine".