67235559916980 has 576 divisors, whose sum is σ = 244129128284160. Its totient is φ = 13690025395200.

The previous prime is 67235559916937. The next prime is 67235559917033. The reversal of 67235559916980 is 8961995553276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 425271345 + ... + 425429415.

It is an arithmetic number, because the mean of its divisors is an integer number (423835292160).

Almost surely, 2^{67235559916980} is an apocalyptic number.

67235559916980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67235559916980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122064564142080).

67235559916980 is an abundant number, since it is smaller than the sum of its proper divisors (176893568367180).

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

67235559916980 is a wasteful number, since it uses less digits than its factorization.

67235559916980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158500 (or 158491 counting only the distinct ones).

The product of its (nonzero) digits is 1102248000, while the sum is 75.

The spelling of 67235559916980 in words is "sixty-seven trillion, two hundred thirty-five billion, five hundred fifty-nine million, nine hundred sixteen thousand, nine hundred eighty".