18682302072 has 32 divisors (see below), whose sum is σ = 53378006400. Its totient is φ = 5337800544.

The previous prime is 18682302049. The next prime is 18682302073. The reversal of 18682302072 is 27020328681.

It is a self number, because there is not a number n which added to its sum of digits gives 18682302072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18682302073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55601922 + ... + 55602257.

It is an arithmetic number, because the mean of its divisors is an integer number (1668062700).

Almost surely, 2^18682302072 is an apocalyptic number.

18682302072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18682302072 is an abundant number, since it is smaller than the sum of its proper divisors (34695704328).

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

18682302072 is a wasteful number, since it uses less digits than its factorization.

18682302072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111204195 (or 111204191 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 18682302072 in words is "eighteen billion, six hundred eighty-two million, three hundred two thousand, seventy-two".