669289765182 has 32 divisors (see below), whose sum is σ = 1343692192128. Its totient is φ = 222245837856.

The previous prime is 669289765117. The next prime is 669289765189. The reversal of 669289765182 is 281567982966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669289765189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1806813 + ... + 2145495.

It is an arithmetic number, because the mean of its divisors is an integer number (41990381004).

Almost surely, 2^669289765182 is an apocalyptic number.

669289765182 is an abundant number, since it is smaller than the sum of its proper divisors (674402426946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669289765182 is a wasteful number, since it uses less digits than its factorization.

669289765182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339944.

The product of its digits is 156764160, while the sum is 69.

The spelling of 669289765182 in words is "six hundred sixty-nine billion, two hundred eighty-nine million, seven hundred sixty-five thousand, one hundred eighty-two".