66153235166 has 16 divisors (see below), whose sum is σ = 101132610480. Its totient is φ = 32444819520.

The previous prime is 66153235103. The next prime is 66153235171.

66153235166 is nontrivially palindromic in base 10.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 559445 + ... + 667296.

It is an arithmetic number, because the mean of its divisors is an integer number (6320788155).

Almost surely, 2^66153235166 is an apocalyptic number.

66153235166 is a deficient number, since it is larger than the sum of its proper divisors (34979375314).

66153235166 is a wasteful number, since it uses less digits than its factorization.

66153235166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227259.

The product of its digits is 583200, while the sum is 44.

The spelling of 66153235166 in words is "sixty-six billion, one hundred fifty-three million, two hundred thirty-five thousand, one hundred sixty-six".