5677661660257 has 4 divisors (see below), whose sum is σ = 5678111602480. Its totient is φ = 5677211718036.

The previous prime is 5677661660201. The next prime is 5677661660263. The reversal of 5677661660257 is 7520661667765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5677661660257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5677661660267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224952183 + ... + 224977420.

It is an arithmetic number, because the mean of its divisors is an integer number (1419527900620).

Almost surely, 2^{5677661660257} is an apocalyptic number.

It is an amenable number.

5677661660257 is a deficient number, since it is larger than the sum of its proper divisors (449942223).

5677661660257 is a wasteful number, since it uses less digits than its factorization.

5677661660257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449942222.

The product of its (nonzero) digits is 133358400, while the sum is 64.

The spelling of 5677661660257 in words is "five trillion, six hundred seventy-seven billion, six hundred sixty-one million, six hundred sixty thousand, two hundred fifty-seven".