6425616 has 40 divisors (see below), whose sum is σ = 16695360. Its totient is φ = 2129536.

The previous prime is 6425599. The next prime is 6425621. The reversal of 6425616 is 6165246.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 12370 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (417384).

Almost surely, 2^6425616 is an apocalyptic number.

It is an amenable number.

6425616 is an abundant number, since it is smaller than the sum of its proper divisors (10269744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6425616 is a wasteful number, since it uses less digits than its factorization.

6425616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 777 counting only the distinct ones).

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

The square root of 6425616 is about 2534.8798788108. The cubic root of 6425616 is about 185.9109297203.

The spelling of 6425616 in words is "six million, four hundred twenty-five thousand, six hundred sixteen".