66056100052100 has 36 divisors (see below), whose sum is σ = 145691601669348. Its totient is φ = 25989285264000.

The previous prime is 66056100052079. The next prime is 66056100052127. The reversal of 66056100052100 is 125000165066.

It can be written as a sum of positive squares in 6 ways, for example, as 22998565845124 + 43057534206976 = 4795682^2 + 6561824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5414428331 + ... + 5414440530.

Almost surely, 2^{66056100052100} is an apocalyptic number.

It is an amenable number.

66056100052100 is an abundant number, since it is smaller than the sum of its proper divisors (79635501617248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66056100052100 is a wasteful number, since it uses less digits than its factorization.

66056100052100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828868936 (or 10828868929 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 66056100052100 in words is "sixty-six trillion, fifty-six billion, one hundred million, fifty-two thousand, one hundred".