18475369416 has 192 divisors, whose sum is σ = 62272080000. Its totient is φ = 4828336128.

The previous prime is 18475369403. The next prime is 18475369417. The reversal of 18475369416 is 61496357481.

18475369416 is a `hidden beast` number, since 1 + 8 + 4 + 7 + 536 + 94 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (18475369417) 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 47 ways as a sum of consecutive naturals, for example, 244440 + ... + 310968.

It is an arithmetic number, because the mean of its divisors is an integer number (324333750).

Almost surely, 2^18475369416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18475369416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31136040000).

18475369416 is an abundant number, since it is smaller than the sum of its proper divisors (43796710584).

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

18475369416 is a wasteful number, since it uses less digits than its factorization.

18475369416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66596 (or 66589 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 18475369416 in words is "eighteen billion, four hundred seventy-five million, three hundred sixty-nine thousand, four hundred sixteen".