6161613 has 4 divisors (see below), whose sum is σ = 8215488. Its totient is φ = 4107740.

The previous prime is 6161609. The next prime is 6161629. The reversal of 6161613 is 3161616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6161613 - 2² = 6161609 is a prime.

It is a D-number.

6161613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026933 + ... + 1026938.

It is an arithmetic number, because the mean of its divisors is an integer number (2053872).

Almost surely, 2^6161613 is an apocalyptic number.

It is an amenable number.

6161613 is a deficient number, since it is larger than the sum of its proper divisors (2053875).

6161613 is a wasteful number, since it uses less digits than its factorization.

6161613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053874.

The product of its digits is 648, while the sum is 24.

The square root of 6161613 is about 2482.2596560392. The cubic root of 6161613 is about 183.3291279109.

The spelling of 6161613 in words is "six million, one hundred sixty-one thousand, six hundred thirteen".