6550661065006 has 4 divisors (see below), whose sum is σ = 9825991597512. Its totient is φ = 3275330532502.

The previous prime is 6550661064989. The next prime is 6550661065033. The reversal of 6550661065006 is 6005601660556.

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

It is a super-2 number, since 2×6550661065006² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637665266250 + ... + 1637665266253.

It is an arithmetic number, because the mean of its divisors is an integer number (2456497899378).

Almost surely, 2^{6550661065006} is an apocalyptic number.

6550661065006 is a deficient number, since it is larger than the sum of its proper divisors (3275330532506).

6550661065006 is a wasteful number, since it uses less digits than its factorization.

6550661065006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275330532505.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 6550661065006 in words is "six trillion, five hundred fifty billion, six hundred sixty-one million, sixty-five thousand, six".