6546744528156 has 72 divisors (see below), whose sum is σ = 18913361410944. Its totient is φ = 1870444645920.

The previous prime is 6546744528133. The next prime is 6546744528197. The reversal of 6546744528156 is 6518254476456.

6546744528156 is a `hidden beast` number, since 6 + 5 + 4 + 67 + 44 + 528 + 1 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 6546744528093 and 6546744528102.

It is a congruent number.

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, 8858611 + ... + 9569141.

It is an arithmetic number, because the mean of its divisors is an integer number (262685575152).

Almost surely, 2^{6546744528156} is an apocalyptic number.

It is an amenable number.

6546744528156 is an abundant number, since it is smaller than the sum of its proper divisors (12366616882788).

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

6546744528156 is a wasteful number, since it uses less digits than its factorization.

6546744528156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747111 (or 747106 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 63.

The spelling of 6546744528156 in words is "six trillion, five hundred forty-six billion, seven hundred forty-four million, five hundred twenty-eight thousand, one hundred fifty-six".