15668230444 has 6 divisors (see below), whose sum is σ = 27419403284. Its totient is φ = 7834115220.

The previous prime is 15668230427. The next prime is 15668230477. The reversal of 15668230444 is 44403286651.

It is a self number, because there is not a number n which added to its sum of digits gives 15668230444.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1958528802 + ... + 1958528809.

Almost surely, 2^15668230444 is an apocalyptic number.

It is an amenable number.

15668230444 is a deficient number, since it is larger than the sum of its proper divisors (11751172840).

15668230444 is a wasteful number, since it uses less digits than its factorization.

15668230444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917057615 (or 3917057613 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 15668230444 in words is "fifteen billion, six hundred sixty-eight million, two hundred thirty thousand, four hundred forty-four".