18905627068 has 6 divisors (see below), whose sum is σ = 33084847376. Its totient is φ = 9452813532.

The previous prime is 18905626969. The next prime is 18905627077. The reversal of 18905627068 is 86072650981.

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, 2363203380 + ... + 2363203387.

Almost surely, 2^18905627068 is an apocalyptic number.

It is an amenable number.

18905627068 is a deficient number, since it is larger than the sum of its proper divisors (14179220308).

18905627068 is a wasteful number, since it uses less digits than its factorization.

18905627068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726406771 (or 4726406769 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 18905627068 in words is "eighteen billion, nine hundred five million, six hundred twenty-seven thousand, sixty-eight".