18702716038 has 16 divisors (see below), whose sum is σ = 28213194240. Its totient is φ = 9298434376.

The previous prime is 18702716029. The next prime is 18702716057. The reversal of 18702716038 is 83061720781.

It is a junction number, because it is equal to n+sod(n) for n = 18702715985 and 18702716003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297831 + ... + 355117.

It is an arithmetic number, because the mean of its divisors is an integer number (1763324640).

Almost surely, 2^18702716038 is an apocalyptic number.

18702716038 is a deficient number, since it is larger than the sum of its proper divisors (9510478202).

18702716038 is a wasteful number, since it uses less digits than its factorization.

18702716038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58211.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 18702716038 in words is "eighteen billion, seven hundred two million, seven hundred sixteen thousand, thirty-eight".