67512052608 has 576 divisors, whose sum is σ = 247041743760. Its totient is φ = 16179609600.

The previous prime is 67512052549. The next prime is 67512052633. The reversal of 67512052608 is 80625021576.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 67512052608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29596428 + ... + 29598708.

Almost surely, 2^67512052608 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 67512052608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123520871880).

67512052608 is an abundant number, since it is smaller than the sum of its proper divisors (179529691152).

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

67512052608 is a wasteful number, since it uses less digits than its factorization.

67512052608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2317 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 67512052608 in words is "sixty-seven billion, five hundred twelve million, fifty-two thousand, six hundred eight".