669891162 has 8 divisors (see below), whose sum is σ = 1339782336. Its totient is φ = 223297052.

The previous prime is 669891161. The next prime is 669891197. The reversal of 669891162 is 261198966.

It is a sphenic number, since it is the product of 3 distinct primes.

669891162 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (669891161) 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, 55824258 + ... + 55824269.

It is an arithmetic number, because the mean of its divisors is an integer number (167472792).

Almost surely, 2^669891162 is an apocalyptic number.

669891162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

669891162 is a wasteful number, since it uses less digits than its factorization.

669891162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111648532.

The product of its digits is 279936, while the sum is 48.

The square root of 669891162 is about 25882.2557363148. The cubic root of 669891162 is about 874.9866281494.

The spelling of 669891162 in words is "six hundred sixty-nine million, eight hundred ninety-one thousand, one hundred sixty-two".