6125656646 has 8 divisors (see below), whose sum is σ = 9217471680. Its totient is φ = 3053166088.

The previous prime is 6125656643. The next prime is 6125656657. The reversal of 6125656646 is 6466565216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6125656646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6125656643) 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, 4830326 + ... + 4831593.

It is an arithmetic number, because the mean of its divisors is an integer number (1152183960).

Almost surely, 2^6125656646 is an apocalyptic number.

6125656646 is a deficient number, since it is larger than the sum of its proper divisors (3091815034).

6125656646 is a wasteful number, since it uses less digits than its factorization.

6125656646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662238.

The product of its digits is 1555200, while the sum is 47.

The square root of 6125656646 is about 78266.5742574696. The cubic root of 6125656646 is about 1829.7182368508.

The spelling of 6125656646 in words is "six billion, one hundred twenty-five million, six hundred fifty-six thousand, six hundred forty-six".