6161615 has 8 divisors (see below), whose sum is σ = 7417008. Its totient is φ = 4913920.

The previous prime is 6161609. The next prime is 6161629. The reversal of 6161615 is 5161616.

6161615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6161615 - 2¹⁰ = 6160591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (927126).

Almost surely, 2^6161615 is an apocalyptic number.

6161615 is a deficient number, since it is larger than the sum of its proper divisors (1255393).

6161615 is a wasteful number, since it uses less digits than its factorization.

6161615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849.

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

The square root of 6161615 is about 2482.2600588979. The cubic root of 6161615 is about 183.3291477465.

Subtracting from 6161615 its reverse (5161616), we obtain a palindrome (999999).

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

The spelling of 6161615 in words is "six million, one hundred sixty-one thousand, six hundred fifteen".