66150222052 has 12 divisors (see below), whose sum is σ = 116139968560. Its totient is φ = 32967373896.

The previous prime is 66150222023. The next prime is 66150222059. The reversal of 66150222052 is 25022205166.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66150222059) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 26932902 + ... + 26935357.

Almost surely, 2^66150222052 is an apocalyptic number.

It is an amenable number.

66150222052 is a deficient number, since it is larger than the sum of its proper divisors (49989746508).

66150222052 is a wasteful number, since it uses less digits than its factorization.

66150222052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53868570 (or 53868568 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 66150222052 in words is "sixty-six billion, one hundred fifty million, two hundred twenty-two thousand, fifty-two".