6531075164 has 54 divisors (see below), whose sum is σ = 12547667160. Its totient is φ = 2973797760.

The previous prime is 6531075137. The next prime is 6531075169. The reversal of 6531075164 is 4615701356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531075169) 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 17 ways as a sum of consecutive naturals, for example, 1107977 + ... + 1113855.

Almost surely, 2^6531075164 is an apocalyptic number.

It is an amenable number.

6531075164 is a deficient number, since it is larger than the sum of its proper divisors (6016591996).

6531075164 is a wasteful number, since it uses less digits than its factorization.

6531075164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979 (or 5929 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 6531075164 is about 80815.0676792391. The cubic root of 6531075164 is about 1869.2249129422.

The spelling of 6531075164 in words is "six billion, five hundred thirty-one million, seventy-five thousand, one hundred sixty-four".