65557675556 has 6 divisors (see below), whose sum is σ = 114725932230. Its totient is φ = 32778837776.

The previous prime is 65557675541. The next prime is 65557675559.

It is a happy number.

65557675556 is nontrivially palindromic in base 10.

65557675556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 60902342656 + 4655332900 = 246784^2 + 68230^2 .

It is not an unprimeable number, because it can be changed into a prime (65557675559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8194709441 + ... + 8194709448.

It is an arithmetic number, because the mean of its divisors is an integer number (19120988705).

Almost surely, 2^65557675556 is an apocalyptic number.

It is an amenable number.

65557675556 is a deficient number, since it is larger than the sum of its proper divisors (49168256674).

65557675556 is a wasteful number, since it uses less digits than its factorization.

65557675556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16389418893 (or 16389418891 counting only the distinct ones).

The product of its digits is 165375000, while the sum is 62.

The spelling of 65557675556 in words is "sixty-five billion, five hundred fifty-seven million, six hundred seventy-five thousand, five hundred fifty-six".