73896184656 has 200 divisors, whose sum is σ = 249632951040. Its totient is φ = 20663859456.

The previous prime is 73896184651. The next prime is 73896184667. The reversal of 73896184656 is 65648169837.

73896184656 is a `hidden beast` number, since 7 + 3 + 8 + 9 + 618 + 4 + 6 + 5 + 6 = 666.

It is a super-2 number, since 2×73896184656² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 73896184593 and 73896184602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73896184651) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 339730 + ... + 513038.

Almost surely, 2^73896184656 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 73896184656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124816475520).

73896184656 is an abundant number, since it is smaller than the sum of its proper divisors (175736766384).

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

73896184656 is a wasteful number, since it uses less digits than its factorization.

73896184656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173383 (or 173368 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 73896184656 in words is "seventy-three billion, eight hundred ninety-six million, one hundred eighty-four thousand, six hundred fifty-six".