6549195546 has 48 divisors (see below), whose sum is σ = 14724991008. Its totient is φ = 2181654000.

The previous prime is 6549195509. The next prime is 6549195551. The reversal of 6549195546 is 6455919456.

6549195546 is a `hidden beast` number, since 6 + 5 + 4 + 9 + 1 + 95 + 546 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6549195492 and 6549195501.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973996 + ... + 980696.

It is an arithmetic number, because the mean of its divisors is an integer number (306770646).

Almost surely, 2^6549195546 is an apocalyptic number.

6549195546 is an abundant number, since it is smaller than the sum of its proper divisors (8175795462).

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

6549195546 is a wasteful number, since it uses less digits than its factorization.

6549195546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8729 (or 8717 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 6549195546 is about 80927.1001951757. The cubic root of 6549195546 is about 1870.9520299362.

The spelling of 6549195546 in words is "six billion, five hundred forty-nine million, one hundred ninety-five thousand, five hundred forty-six".