6161491 has 8 divisors (see below), whose sum is σ = 7412480. Its totient is φ = 5003208.

The previous prime is 6161489. The next prime is 6161501. The reversal of 6161491 is 1941616.

6161491 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 6161491 - 2¹ = 6161489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6161431) 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, 23031 + ... + 23296.

It is an arithmetic number, because the mean of its divisors is an integer number (926560).

Almost surely, 2^6161491 is an apocalyptic number.

6161491 is a deficient number, since it is larger than the sum of its proper divisors (1250989).

6161491 is a wasteful number, since it uses less digits than its factorization.

6161491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46353.

The product of its digits is 1296, while the sum is 28.

The square root of 6161491 is about 2482.2350815344. The cubic root of 6161491 is about 183.3279179300.

The spelling of 6161491 in words is "six million, one hundred sixty-one thousand, four hundred ninety-one".