67516372068 has 24 divisors (see below), whose sum is σ = 157546156320. Its totient is φ = 22504320960.

The previous prime is 67516372061. The next prime is 67516372093. The reversal of 67516372068 is 86027361576.

It is a super-2 number, since 2×67516372068² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67516372068.

It is not an unprimeable number, because it can be changed into a prime (67516372061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125688 + ... + 388368.

It is an arithmetic number, because the mean of its divisors is an integer number (6564423180).

Almost surely, 2^67516372068 is an apocalyptic number.

It is an amenable number.

67516372068 is an abundant number, since it is smaller than the sum of its proper divisors (90029784252).

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

67516372068 is a wasteful number, since it uses less digits than its factorization.

67516372068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284107 (or 284105 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 67516372068 in words is "sixty-seven billion, five hundred sixteen million, three hundred seventy-two thousand, sixty-eight".