6551366052 has 144 divisors (see below), whose sum is σ = 19440352512. Its totient is φ = 1698016320.

The previous prime is 6551366047. The next prime is 6551366053. The reversal of 6551366052 is 2506631556.

It is a self number, because there is not a number n which added to its sum of digits gives 6551366052.

It is not an unprimeable number, because it can be changed into a prime (6551366053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4416903 + ... + 4418385.

It is an arithmetic number, because the mean of its divisors is an integer number (135002448).

Almost surely, 2^6551366052 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 6551366052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9720176256).

6551366052 is an abundant number, since it is smaller than the sum of its proper divisors (12888986460).

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

6551366052 is a wasteful number, since it uses less digits than its factorization.

6551366052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 6551366052 is about 80940.5093386495. The cubic root of 6551366052 is about 1871.1586947113.

The spelling of 6551366052 in words is "six billion, five hundred fifty-one million, three hundred sixty-six thousand, fifty-two".