6546461646 has 16 divisors (see below), whose sum is σ = 13371496704. Its totient is φ = 2135724984.

The previous prime is 6546461639. The next prime is 6546461671. The reversal of 6546461646 is 6461646456.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6546461595 and 6546461604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11606920 + ... + 11607483.

It is an arithmetic number, because the mean of its divisors is an integer number (835718544).

Almost surely, 2^6546461646 is an apocalyptic number.

6546461646 is an abundant number, since it is smaller than the sum of its proper divisors (6825035058).

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

6546461646 is a wasteful number, since it uses less digits than its factorization.

6546461646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23214455.

The product of its digits is 2488320, while the sum is 48.

The square root of 6546461646 is about 80910.2073041467. The cubic root of 6546461646 is about 1870.6916566013.

The spelling of 6546461646 in words is "six billion, five hundred forty-six million, four hundred sixty-one thousand, six hundred forty-six".