6562874556 has 288 divisors, whose sum is σ = 21047792640. Its totient is φ = 1727827200.

The previous prime is 6562874537. The next prime is 6562874557. The reversal of 6562874556 is 6554782656.

6562874556 is a `hidden beast` number, since 6 + 5 + 6 + 2 + 87 + 4 + 556 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6562874557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64978906 + ... + 64979006.

Almost surely, 2^6562874556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6562874556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10523896320).

6562874556 is an abundant number, since it is smaller than the sum of its proper divisors (14484918084).

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

6562874556 is a wasteful number, since it uses less digits than its factorization.

6562874556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 173 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The square root of 6562874556 is about 81011.5705069344. The cubic root of 6562874556 is about 1872.2537152011.

The spelling of 6562874556 in words is "six billion, five hundred sixty-two million, eight hundred seventy-four thousand, five hundred fifty-six".