6616461 has 4 divisors (see below), whose sum is σ = 8821952. Its totient is φ = 4410972.

The previous prime is 6616447. The next prime is 6616469. The reversal of 6616461 is 1646166.

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 not a de Polignac number, because 6616461 - 2⁶ = 6616397 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102741 + ... + 1102746.

It is an arithmetic number, because the mean of its divisors is an integer number (2205488).

Almost surely, 2^6616461 is an apocalyptic number.

It is an amenable number.

6616461 is a deficient number, since it is larger than the sum of its proper divisors (2205491).

6616461 is a wasteful number, since it uses less digits than its factorization.

6616461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205490.

The product of its digits is 5184, while the sum is 30.

The square root of 6616461 is about 2572.2482384093. The cubic root of 6616461 is about 187.7335613854.

The spelling of 6616461 in words is "six million, six hundred sixteen thousand, four hundred sixty-one".