66605051122 has 16 divisors (see below), whose sum is σ = 102387630744. Its totient is φ = 32476528000.

The previous prime is 66605051119. The next prime is 66605051159. The reversal of 66605051122 is 22115050666.

It can be written as a sum of positive squares in 4 ways, for example, as 20509390521 + 46095660601 = 143211^2 + 214699^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24672 + ... + 365812.

Almost surely, 2^66605051122 is an apocalyptic number.

66605051122 is a deficient number, since it is larger than the sum of its proper divisors (35782579622).

66605051122 is a wasteful number, since it uses less digits than its factorization.

66605051122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343565.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 66605051122 in words is "sixty-six billion, six hundred five million, fifty-one thousand, one hundred twenty-two".