6570000657 has 24 divisors (see below), whose sum is σ = 10494558048. Its totient is φ = 3927268800.

The previous prime is 6570000653. The next prime is 6570000667. The reversal of 6570000657 is 7560000756.

It is not a de Polignac number, because 6570000657 - 2² = 6570000653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6570000653) 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 23 ways as a sum of consecutive naturals, for example, 447319 + ... + 461772.

It is an arithmetic number, because the mean of its divisors is an integer number (437273252).

Almost surely, 2^6570000657 is an apocalyptic number.

It is an amenable number.

6570000657 is a deficient number, since it is larger than the sum of its proper divisors (3924557391).

6570000657 is a wasteful number, since it uses less digits than its factorization.

6570000657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909181 (or 909178 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 6570000657 is about 81055.5405694145. The cubic root of 6570000657 is about 1872.9311136446.

Subtracting 6570000657 from its reverse (7560000756), we obtain a palindrome (990000099).

It can be divided in two parts, 6570000 and 657, that multiplied together give a square (4316490000 = 65700²).

The spelling of 6570000657 in words is "six billion, five hundred seventy million, six hundred fifty-seven", and thus it is an aban number.