18013062536 has 64 divisors (see below), whose sum is σ = 41366350080. Its totient is φ = 7184643840.

The previous prime is 18013062511. The next prime is 18013062547. The reversal of 18013062536 is 63526031081.

It is a junction number, because it is equal to n+sod(n) for n = 18013062496 and 18013062505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141335 + ... + 236646.

It is an arithmetic number, because the mean of its divisors is an integer number (646349220).

Almost surely, 2^18013062536 is an apocalyptic number.

It is an amenable number.

18013062536 is an abundant number, since it is smaller than the sum of its proper divisors (23353287544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18013062536 is a wasteful number, since it uses less digits than its factorization.

18013062536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378054 (or 378050 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 18013062536 in words is "eighteen billion, thirteen million, sixty-two thousand, five hundred thirty-six".