66150212265 has 48 divisors (see below), whose sum is σ = 118920562176. Its totient is φ = 33980083200.

The previous prime is 66150212231. The next prime is 66150212341. The reversal of 66150212265 is 56221205166.

66150212265 is a `hidden beast` number, since 6 + 615 + 0 + 2 + 12 + 26 + 5 = 666.

It is not a de Polignac number, because 66150212265 - 2¹⁸ = 66149950121 is a prime.

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 in 47 ways as a sum of consecutive naturals, for example, 181977 + ... + 406713.

It is an arithmetic number, because the mean of its divisors is an integer number (2477511712).

Almost surely, 2^66150212265 is an apocalyptic number.

It is an amenable number.

66150212265 is a deficient number, since it is larger than the sum of its proper divisors (52770349911).

66150212265 is a wasteful number, since it uses less digits than its factorization.

66150212265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224990 (or 224987 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 66150212265 in words is "sixty-six billion, one hundred fifty million, two hundred twelve thousand, two hundred sixty-five".