6557385006 has 24 divisors (see below), whose sum is σ = 14419724904. Its totient is φ = 2153170800.

The previous prime is 6557384927. The next prime is 6557385053. The reversal of 6557385006 is 6005837556.

6557385006 is a `hidden beast` number, since 65 + 57 + 38 + 500 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2717445 + ... + 2719856.

It is an arithmetic number, because the mean of its divisors is an integer number (600821871).

Almost surely, 2^6557385006 is an apocalyptic number.

6557385006 is an abundant number, since it is smaller than the sum of its proper divisors (7862339898).

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

6557385006 is a wasteful number, since it uses less digits than its factorization.

6557385006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437376 (or 5437373 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 6557385006 is about 80977.6821476140. The cubic root of 6557385006 is about 1871.7315508520.

The spelling of 6557385006 in words is "six billion, five hundred fifty-seven million, three hundred eighty-five thousand, six".