6512197770 has 64 divisors (see below), whose sum is σ = 18701706240. Its totient is φ = 1603001664.

The previous prime is 6512197751. The next prime is 6512197777. The reversal of 6512197770 is 777912156.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6512197777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924154 + ... + 931173.

It is an arithmetic number, because the mean of its divisors is an integer number (292214160).

Almost surely, 2^6512197770 is an apocalyptic number.

6512197770 is an abundant number, since it is smaller than the sum of its proper divisors (12189508470).

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

6512197770 is a wasteful number, since it uses less digits than its factorization.

6512197770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855356 (or 1855350 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 45.

The square root of 6512197770 is about 80698.1893848926. The cubic root of 6512197770 is about 1867.4222415649.

The spelling of 6512197770 in words is "six billion, five hundred twelve million, one hundred ninety-seven thousand, seven hundred seventy".