669182976 has 528 divisors, whose sum is σ = 2575093248. Its totient is φ = 162201600.

The previous prime is 669182963. The next prime is 669182981. The reversal of 669182976 is 679281966.

It is a tau number, because it is divible by the number of its divisors (528).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (1959552) is a multiple of the sum of its prime factors (108).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16321516 + ... + 16321556.

Almost surely, 2^669182976 is an apocalyptic number.

669182976 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669182976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287546624).

669182976 is an abundant number, since it is smaller than the sum of its proper divisors (1905910272).

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

669182976 is a wasteful number, since it uses less digits than its factorization.

669182976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 87 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 669182976 is about 25868.5712013632. The cubic root of 669182976 is about 874.6781841302.

The spelling of 669182976 in words is "six hundred sixty-nine million, one hundred eighty-two thousand, nine hundred seventy-six".