6570981612 has 54 divisors (see below), whose sum is σ = 17985972732. Its totient is φ = 2021838624.

The previous prime is 6570981583. The next prime is 6570981653. The reversal of 6570981612 is 2161890756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 533938 + ... + 546105.

Almost surely, 2^6570981612 is an apocalyptic number.

It is an amenable number.

6570981612 is an abundant number, since it is smaller than the sum of its proper divisors (11414991120).

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

6570981612 is a wasteful number, since it uses less digits than its factorization.

6570981612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080079 (or 1080061 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 6570981612 is about 81061.5914721639. The cubic root of 6570981612 is about 1873.0243236661.

The spelling of 6570981612 in words is "six billion, five hundred seventy million, nine hundred eighty-one thousand, six hundred twelve".