6550015200671 has 4 divisors (see below), whose sum is σ = 6566513979912. Its totient is φ = 6533516421432.

The previous prime is 6550015200649. The next prime is 6550015200727. The reversal of 6550015200671 is 1760025100556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550015200671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550015200611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8249389025 + ... + 8249389818.

It is an arithmetic number, because the mean of its divisors is an integer number (1641628494978).

Almost surely, 2^{6550015200671} is an apocalyptic number.

6550015200671 is a deficient number, since it is larger than the sum of its proper divisors (16498779241).

6550015200671 is a wasteful number, since it uses less digits than its factorization.

6550015200671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498779240.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 6550015200671 in words is "six trillion, five hundred fifty billion, fifteen million, two hundred thousand, six hundred seventy-one".