6558780652 has 12 divisors (see below), whose sum is σ = 11478982480. Its totient is φ = 3279071376.

The previous prime is 6558780637. The next prime is 6558780667. The reversal of 6558780652 is 2560878556.

It is an interprime number because it is at equal distance from previous prime (6558780637) and next prime (6558780667).

It is a self number, because there is not a number n which added to its sum of digits gives 6558780652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30027 + ... + 118402.

Almost surely, 2^6558780652 is an apocalyptic number.

It is an amenable number.

6558780652 is a deficient number, since it is larger than the sum of its proper divisors (4920201828).

6558780652 is a wasteful number, since it uses less digits than its factorization.

6558780652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159480 (or 159478 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The square root of 6558780652 is about 80986.2991622657. The cubic root of 6558780652 is about 1871.8643318993.

The spelling of 6558780652 in words is "six billion, five hundred fifty-eight million, seven hundred eighty thousand, six hundred fifty-two".