6815147960 has 64 divisors (see below), whose sum is σ = 15420257280. Its totient is φ = 2710794240.

The previous prime is 6815147947. The next prime is 6815147971. The reversal of 6815147960 is 697415186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10126184 + ... + 10126856.

It is an arithmetic number, because the mean of its divisors is an integer number (240941520).

Almost surely, 2^6815147960 is an apocalyptic number.

It is an amenable number.

6815147960 is an abundant number, since it is smaller than the sum of its proper divisors (8605109320).

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

6815147960 is a wasteful number, since it uses less digits than its factorization.

6815147960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 6815147960 is about 82553.9094168168. The cubic root of 6815147960 is about 1895.9422135474.

The spelling of 6815147960 in words is "six billion, eight hundred fifteen million, one hundred forty-seven thousand, nine hundred sixty".