669196082 has 4 divisors (see below), whose sum is σ = 1003794126. Its totient is φ = 334598040.

The previous prime is 669196069. The next prime is 669196103. The reversal of 669196082 is 280691966.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 442723681 + 226472401 = 21041^2 + 15049^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167299019 + ... + 167299022.

Almost surely, 2^669196082 is an apocalyptic number.

669196082 is a deficient number, since it is larger than the sum of its proper divisors (334598044).

669196082 is a wasteful number, since it uses less digits than its factorization.

669196082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334598043.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 669196082 is about 25868.8245191002. The cubic root of 669196082 is about 874.6838943061.

The spelling of 669196082 in words is "six hundred sixty-nine million, one hundred ninety-six thousand, eighty-two".