67136689088 has 252 divisors, whose sum is σ = 168925597632. Its totient is φ = 26365409280.

The previous prime is 67136689049. The next prime is 67136689117. The reversal of 67136689088 is 88098663176.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 67136689088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35094020 + ... + 35095932.

Almost surely, 2^67136689088 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 67136689088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84462798816).

67136689088 is an abundant number, since it is smaller than the sum of its proper divisors (101788908544).

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

67136689088 is a wasteful number, since it uses less digits than its factorization.

67136689088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 67136689088 in words is "sixty-seven billion, one hundred thirty-six million, six hundred eighty-nine thousand, eighty-eight".