66650470162 has 16 divisors (see below), whose sum is σ = 102751415712. Its totient is φ = 32406827040.

The previous prime is 66650470157. The next prime is 66650470163. The reversal of 66650470162 is 26107405666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (66650470163) 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 7 ways as a sum of consecutive naturals, for example, 1687539 + ... + 1726582.

It is an arithmetic number, because the mean of its divisors is an integer number (6421963482).

Almost surely, 2^66650470162 is an apocalyptic number.

66650470162 is a deficient number, since it is larger than the sum of its proper divisors (36100945550).

66650470162 is a wasteful number, since it uses less digits than its factorization.

66650470162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414393.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 66650470162 in words is "sixty-six billion, six hundred fifty million, four hundred seventy thousand, one hundred sixty-two".