669101002226 has 4 divisors (see below), whose sum is σ = 1003651503342. Its totient is φ = 334550501112.

The previous prime is 669101002151. The next prime is 669101002231. The reversal of 669101002226 is 622200101966.

It is a happy number.

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., 656545575625 + 12555426601 = 810275^2 + 112051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167275250555 + ... + 167275250558.

Almost surely, 2^669101002226 is an apocalyptic number.

669101002226 is a deficient number, since it is larger than the sum of its proper divisors (334550501116).

669101002226 is a wasteful number, since it uses less digits than its factorization.

669101002226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334550501115.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 669101002226 in words is "six hundred sixty-nine billion, one hundred one million, two thousand, two hundred twenty-six".