6161647 has 8 divisors (see below), whose sum is σ = 6363632. Its totient is φ = 5961600.

The previous prime is 6161641. The next prime is 6161651. The reversal of 6161647 is 7461616.

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-6161647 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 (6161641) 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 7 ways as a sum of consecutive naturals, for example, 8572 + ... + 9262.

It is an arithmetic number, because the mean of its divisors is an integer number (795454).

Almost surely, 2^6161647 is an apocalyptic number.

6161647 is a deficient number, since it is larger than the sum of its proper divisors (201985).

6161647 is a wasteful number, since it uses less digits than its factorization.

6161647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its digits is 6048, while the sum is 31.

The square root of 6161647 is about 2482.2665046284. The cubic root of 6161647 is about 183.3294651158.

Subtracting from 6161647 its sum of digits (31), we obtain a palindrome (6161616).

The spelling of 6161647 in words is "six million, one hundred sixty-one thousand, six hundred forty-seven".