6546603870 has 80 divisors (see below), whose sum is σ = 18171001728. Its totient is φ = 1689439680.

The previous prime is 6546603859. The next prime is 6546603871. The reversal of 6546603870 is 783066456.

6546603870 is a `hidden beast` number, since 6 + 546 + 6 + 0 + 38 + 70 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546603871) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 105249 + ... + 155468.

Almost surely, 2^6546603870 is an apocalyptic number.

6546603870 is an abundant number, since it is smaller than the sum of its proper divisors (11624397858).

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

6546603870 is a wasteful number, since it uses less digits than its factorization.

6546603870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260767 (or 260758 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6546603870 is about 80911.0861996056. The cubic root of 6546603870 is about 1870.7052036307.

The spelling of 6546603870 in words is "six billion, five hundred forty-six million, six hundred three thousand, eight hundred seventy".