6625718361 has 12 divisors (see below), whose sum is σ = 10074191920. Its totient is φ = 4184664120.

The previous prime is 6625718347. The next prime is 6625718419. The reversal of 6625718361 is 1638175266.

6625718361 is a `hidden beast` number, since 6 + 625 + 7 + 18 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 6625718361 - 2⁷ = 6625718233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6625718161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19373275 + ... + 19373616.

Almost surely, 2^6625718361 is an apocalyptic number.

It is an amenable number.

6625718361 is a deficient number, since it is larger than the sum of its proper divisors (3448473559).

6625718361 is a wasteful number, since it uses less digits than its factorization.

6625718361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38746916 (or 38746913 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6625718361 is about 81398.5157174257. The cubic root of 6625718361 is about 1878.2107581588.

The spelling of 6625718361 in words is "six billion, six hundred twenty-five million, seven hundred eighteen thousand, three hundred sixty-one".