6165641 has 4 divisors (see below), whose sum is σ = 6309072. Its totient is φ = 6022212.

The previous prime is 6165637. The next prime is 6165673. The reversal of 6165641 is 1465616.

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 6165641 - 2² = 6165637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6161641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71651 + ... + 71736.

It is an arithmetic number, because the mean of its divisors is an integer number (1577268).

Almost surely, 2^6165641 is an apocalyptic number.

It is an amenable number.

6165641 is a deficient number, since it is larger than the sum of its proper divisors (143431).

6165641 is a wasteful number, since it uses less digits than its factorization.

6165641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143430.

The product of its digits is 4320, while the sum is 29.

The square root of 6165641 is about 2483.0708809859. The cubic root of 6165641 is about 183.3690681490.

The spelling of 6165641 in words is "six million, one hundred sixty-five thousand, six hundred forty-one".