66055034152 has 8 divisors (see below), whose sum is σ = 123853189050. Its totient is φ = 33027517072.

The previous prime is 66055034137. The next prime is 66055034189. The reversal of 66055034152 is 25143055066.

It can be written as a sum of positive squares in only one way, i.e., 57453213636 + 8601820516 = 239694^2 + 92746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128439627 + ... + 4128439642.

Almost surely, 2^66055034152 is an apocalyptic number.

It is an amenable number.

66055034152 is a deficient number, since it is larger than the sum of its proper divisors (57798154898).

66055034152 is a wasteful number, since it uses less digits than its factorization.

66055034152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256879275 (or 8256879271 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 66055034152 in words is "sixty-six billion, fifty-five million, thirty-four thousand, one hundred fifty-two".