6655574043 has 12 divisors (see below), whose sum is σ = 9615927880. Its totient is φ = 4435978176.

The previous prime is 6655574027. The next prime is 6655574053. The reversal of 6655574043 is 3404755566.

It is not a de Polignac number, because 6655574043 - 2⁴ = 6655574027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6655574043.

It is not an unprimeable number, because it can be changed into a prime (6655574053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48958 + ... + 125331.

Almost surely, 2^6655574043 is an apocalyptic number.

6655574043 is a deficient number, since it is larger than the sum of its proper divisors (2960353837).

6655574043 is a wasteful number, since it uses less digits than its factorization.

6655574043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178538 (or 178535 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The square root of 6655574043 is about 81581.7016431994. The cubic root of 6655574043 is about 1881.0276224188.

The spelling of 6655574043 in words is "six billion, six hundred fifty-five million, five hundred seventy-four thousand, forty-three".