6156161 has 8 divisors (see below), whose sum is σ = 6816864. Its totient is φ = 5512320.

The previous prime is 6156131. The next prime is 6156169. The reversal of 6156161 is 1616516.

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

It is not a de Polignac number, because 6156161 - 2¹⁰ = 6155137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6156161.

It is not an unprimeable number, because it can be changed into a prime (6156169) 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, 3440 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (852108).

Almost surely, 2^6156161 is an apocalyptic number.

It is an amenable number.

6156161 is a deficient number, since it is larger than the sum of its proper divisors (660703).

6156161 is a wasteful number, since it uses less digits than its factorization.

6156161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431.

The product of its digits is 1080, while the sum is 26.

The square root of 6156161 is about 2481.1612200742. The cubic root of 6156161 is about 183.2750400527.

It can be divided in two parts, 615 and 6161, that added together give a palindrome (6776).

The spelling of 6156161 in words is "six million, one hundred fifty-six thousand, one hundred sixty-one".