6161555 has 8 divisors (see below), whose sum is σ = 7443744. Its totient is φ = 4896000.

The previous prime is 6161527. The next prime is 6161579. The reversal of 6161555 is 5551616.

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

It is not a de Polignac number, because 6161555 - 2¹⁴ = 6145171 is a prime.

It is a Duffinian 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, 3326 + ... + 4835.

It is an arithmetic number, because the mean of its divisors is an integer number (930468).

Almost surely, 2^6161555 is an apocalyptic number.

6161555 is a deficient number, since it is larger than the sum of its proper divisors (1282189).

6161555 is a wasteful number, since it uses less digits than its factorization.

6161555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317.

The product of its digits is 4500, while the sum is 29.

The square root of 6161555 is about 2482.2479731082. The cubic root of 6161555 is about 183.3285526761.

It can be divided in two parts, 61 and 61555, that added together give a palindrome (61616).

The spelling of 6161555 in words is "six million, one hundred sixty-one thousand, five hundred fifty-five".