6556601650 has 96 divisors (see below), whose sum is σ = 13353431040. Its totient is φ = 2385054720.

The previous prime is 6556601647. The next prime is 6556601693. The reversal of 6556601650 is 561066556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5125711 + ... + 5126989.

It is an arithmetic number, because the mean of its divisors is an integer number (139098240).

Almost surely, 2^6556601650 is an apocalyptic number.

6556601650 is an abundant number, since it is smaller than the sum of its proper divisors (6796829390).

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

6556601650 is a wasteful number, since it uses less digits than its factorization.

6556601650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 6556601650 is about 80972.8451395899. The cubic root of 6556601650 is about 1871.6570145071.

The spelling of 6556601650 in words is "six billion, five hundred fifty-six million, six hundred one thousand, six hundred fifty".