6725261616 has 80 divisors (see below), whose sum is σ = 17544040800. Its totient is φ = 2219857920.

The previous prime is 6725261597. The next prime is 6725261633. The reversal of 6725261616 is 6161625276.

It is a hoax number, since the sum of its digits (42) 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 15 ways as a sum of consecutive naturals, for example, 2666436 + ... + 2668956.

It is an arithmetic number, because the mean of its divisors is an integer number (219300510).

Almost surely, 2^6725261616 is an apocalyptic number.

It is an amenable number.

6725261616 is an abundant number, since it is smaller than the sum of its proper divisors (10818779184).

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

6725261616 is a wasteful number, since it uses less digits than its factorization.

6725261616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3048 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 6725261616 is about 82007.6924196749. The cubic root of 6725261616 is about 1887.5699774123.

The spelling of 6725261616 in words is "six billion, seven hundred twenty-five million, two hundred sixty-one thousand, six hundred sixteen".