66153525332107 has 4 divisors (see below), whose sum is σ = 66153736057816. Its totient is φ = 66153314606400.

The previous prime is 66153525332093. The next prime is 66153525332143. The reversal of 66153525332107 is 70123352535166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66153525332107 - 2⁷ = 66153525331979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66153525332177) 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, 104891253 + ... + 105520054.

It is an arithmetic number, because the mean of its divisors is an integer number (16538434014454).

Almost surely, 2^{66153525332107} is an apocalyptic number.

66153525332107 is a deficient number, since it is larger than the sum of its proper divisors (210725709).

66153525332107 is a wasteful number, since it uses less digits than its factorization.

66153525332107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210725708.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 66153525332107 in words is "sixty-six trillion, one hundred fifty-three billion, five hundred twenty-five million, three hundred thirty-two thousand, one hundred seven".