100566660055556 has 6 divisors (see below), whose sum is σ = 175991655097230. Its totient is φ = 50283330027776.

The previous prime is 100566660055529. The next prime is 100566660055567. The reversal of 100566660055556 is 655550066665001.

It can be written as a sum of positive squares in only one way, i.e., 89743981288900 + 10822678766656 = 9473330^2 + 3289784^2 .

It is a super-2 number, since 2×100566660055556² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12570832506941 + ... + 12570832506948.

It is an arithmetic number, because the mean of its divisors is an integer number (29331942516205).

Almost surely, 2^{100566660055556} is an apocalyptic number.

It is an amenable number.

100566660055556 is a deficient number, since it is larger than the sum of its proper divisors (75424995041674).

100566660055556 is a wasteful number, since it uses less digits than its factorization.

100566660055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25141665013893 (or 25141665013891 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 100566660055556 in words is "one hundred trillion, five hundred sixty-six billion, six hundred sixty million, fifty-five thousand, five hundred fifty-six".