669344031106 has 4 divisors (see below), whose sum is σ = 1004016046662. Its totient is φ = 334672015552.

The previous prime is 669344031079. The next prime is 669344031149. The reversal of 669344031106 is 601130443966.

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., 429209729881 + 240134301225 = 655141^2 + 490035^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167336007775 + ... + 167336007778.

Almost surely, 2^669344031106 is an apocalyptic number.

669344031106 is a deficient number, since it is larger than the sum of its proper divisors (334672015556).

669344031106 is a wasteful number, since it uses less digits than its factorization.

669344031106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334672015555.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 669344031106 in words is "six hundred sixty-nine billion, three hundred forty-four million, thirty-one thousand, one hundred six".