6616425 has 24 divisors (see below), whose sum is σ = 11177856. Its totient is φ = 3451840.

The previous prime is 6616403. The next prime is 6616447. The reversal of 6616425 is 5246166.

It is an interprime number because it is at equal distance from previous prime (6616403) and next prime (6616447).

It is not a de Polignac number, because 6616425 - 2⁷ = 6616297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6616392 and 6616401.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2587 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (465744).

Almost surely, 2^6616425 is an apocalyptic number.

It is an amenable number.

6616425 is a deficient number, since it is larger than the sum of its proper divisors (4561431).

6616425 is a wasteful number, since it uses less digits than its factorization.

6616425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1932 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6616425 is about 2572.2412406304. The cubic root of 6616425 is about 187.7332209002.

The spelling of 6616425 in words is "six million, six hundred sixteen thousand, four hundred twenty-five".