1056600660506 has 4 divisors (see below), whose sum is σ = 1584900990762. Its totient is φ = 528300330252.

The previous prime is 1056600660503. The next prime is 1056600660509. The reversal of 1056600660506 is 6050660066501.

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

It is an interprime number because it is at equal distance from previous prime (1056600660503) and next prime (1056600660509).

It can be written as a sum of positive squares in only one way, i.e., 1035935160481 + 20665500025 = 1017809^2 + 143755^2 .

It is a super-2 number, since 2×1056600660506² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056600660503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264150165125 + ... + 264150165128.

Almost surely, 2^{1056600660506} is an apocalyptic number.

1056600660506 is a deficient number, since it is larger than the sum of its proper divisors (528300330256).

1056600660506 is an equidigital number, since it uses as much as digits as its factorization.

1056600660506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528300330255.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 1056600660506 in words is "one trillion, fifty-six billion, six hundred million, six hundred sixty thousand, five hundred six".