43361658168 has 64 divisors (see below), whose sum is σ = 112313066400. Its totient is φ = 13934215680.

The previous prime is 43361658167. The next prime is 43361658173. The reversal of 43361658168 is 86185616334.

It is a super-2 number, since 2×43361658168² (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 43361658168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43361658167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412930 + ... + 507182.

Almost surely, 2^43361658168 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 43361658168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56156533200).

43361658168 is an abundant number, since it is smaller than the sum of its proper divisors (68951408232).

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

43361658168 is a wasteful number, since it uses less digits than its factorization.

43361658168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94952 (or 94948 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 43361658168 in words is "forty-three billion, three hundred sixty-one million, six hundred fifty-eight thousand, one hundred sixty-eight".