43651815116 has 96 divisors (see below), whose sum is σ = 97840848000. Its totient is φ = 16672690944.

The previous prime is 43651815101. The next prime is 43651815121. The reversal of 43651815116 is 61151815634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1771730 + ... + 1796198.

It is an arithmetic number, because the mean of its divisors is an integer number (1019175500).

Almost surely, 2^43651815116 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 43651815116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48920424000).

43651815116 is an abundant number, since it is smaller than the sum of its proper divisors (54189032884).

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

43651815116 is a wasteful number, since it uses less digits than its factorization.

43651815116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24548 (or 24520 counting only the distinct ones).

The product of its digits is 86400, while the sum is 41.

The spelling of 43651815116 in words is "forty-three billion, six hundred fifty-one million, eight hundred fifteen thousand, one hundred sixteen".