68163122616 has 64 divisors (see below), whose sum is σ = 186653613600. Its totient is φ = 20647108608.

The previous prime is 68163122581. The next prime is 68163122707. The reversal of 68163122616 is 61622136186.

It is a super-4 number, since 4×68163122616⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2868625 + ... + 2892288.

Almost surely, 2^68163122616 is an apocalyptic number.

It is an amenable number.

68163122616 is an abundant number, since it is smaller than the sum of its proper divisors (118490490984).

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

68163122616 is a wasteful number, since it uses less digits than its factorization.

68163122616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760968 (or 5760964 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The spelling of 68163122616 in words is "sixty-eight billion, one hundred sixty-three million, one hundred twenty-two thousand, six hundred sixteen".