6615534552 has 32 divisors (see below), whose sum is σ = 18042367680. Its totient is φ = 2004707360.

The previous prime is 6615534487. The next prime is 6615534557. The reversal of 6615534552 is 2554355166.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615534557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529158 + ... + 12529685.

It is an arithmetic number, because the mean of its divisors is an integer number (563823990).

Almost surely, 2^6615534552 is an apocalyptic number.

It is an amenable number.

6615534552 is an abundant number, since it is smaller than the sum of its proper divisors (11426833128).

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

6615534552 is a wasteful number, since it uses less digits than its factorization.

6615534552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25058863 (or 25058859 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 6615534552 is about 81335.9364118961. The cubic root of 6615534552 is about 1877.2479872003.

The spelling of 6615534552 in words is "six billion, six hundred fifteen million, five hundred thirty-four thousand, five hundred fifty-two".