6206043625661 has 16 divisors (see below), whose sum is σ = 6828974915328. Its totient is φ = 5639549259520.

The previous prime is 6206043625643. The next prime is 6206043625669. The reversal of 6206043625661 is 1665263406026.

It is a happy number.

It is not a de Polignac number, because 6206043625661 - 2¹⁸ = 6206043363517 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 (6206043625669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304221 + ... + 4209693.

It is an arithmetic number, because the mean of its divisors is an integer number (426810932208).

Almost surely, 2^{6206043625661} is an apocalyptic number.

It is an amenable number.

6206043625661 is a deficient number, since it is larger than the sum of its proper divisors (622931289667).

6206043625661 is a wasteful number, since it uses less digits than its factorization.

6206043625661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907953 (or 1907931 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 6206043625661 in words is "six trillion, two hundred six billion, forty-three million, six hundred twenty-five thousand, six hundred sixty-one".