6556524466 has 4 divisors (see below), whose sum is σ = 9834786702. Its totient is φ = 3278262232.

The previous prime is 6556524449. The next prime is 6556524467. The reversal of 6556524466 is 6644256556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5193364225 + 1363160241 = 72065^2 + 36921^2 .

It is not an unprimeable number, because it can be changed into a prime (6556524467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639131115 + ... + 1639131118.

Almost surely, 2^6556524466 is an apocalyptic number.

6556524466 is a deficient number, since it is larger than the sum of its proper divisors (3278262236).

6556524466 is a wasteful number, since it uses less digits than its factorization.

6556524466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278262235.

The product of its digits is 5184000, while the sum is 49.

The square root of 6556524466 is about 80972.3685339635. The cubic root of 6556524466 is about 1871.6496701261.

The spelling of 6556524466 in words is "six billion, five hundred fifty-six million, five hundred twenty-four thousand, four hundred sixty-six".