67982515056 has 160 divisors (see below), whose sum is σ = 197633779200. Its totient is φ = 22372139520.

The previous prime is 67982515049. The next prime is 67982515057. The reversal of 67982515056 is 65051528976.

67982515056 is a `hidden beast` number, since 6 + 7 + 9 + 82 + 51 + 505 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 67982514993 and 67982515011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67982515057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14373300 + ... + 14378028.

It is an arithmetic number, because the mean of its divisors is an integer number (1235211120).

Almost surely, 2^67982515056 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 67982515056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98816889600).

67982515056 is an abundant number, since it is smaller than the sum of its proper divisors (129651264144).

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

67982515056 is a wasteful number, since it uses less digits than its factorization.

67982515056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 67982515056 in words is "sixty-seven billion, nine hundred eighty-two million, five hundred fifteen thousand, fifty-six".