18603485716 has 6 divisors (see below), whose sum is σ = 32556100010. Its totient is φ = 9301742856.

The previous prime is 18603485689. The next prime is 18603485731. The reversal of 18603485716 is 61758430681.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16788384900 + 1815100816 = 129570^2 + 42604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18603485716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325435711 + ... + 2325435718.

Almost surely, 2^18603485716 is an apocalyptic number.

It is an amenable number.

18603485716 is a deficient number, since it is larger than the sum of its proper divisors (13952614294).

18603485716 is a wasteful number, since it uses less digits than its factorization.

18603485716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650871433 (or 4650871431 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 18603485716 in words is "eighteen billion, six hundred three million, four hundred eighty-five thousand, seven hundred sixteen".