3961040524168 has 128 divisors (see below), whose sum is σ = 9164626329600. Its totient is φ = 1562935378176.

The previous prime is 3961040524151. The next prime is 3961040524223. The reversal of 3961040524168 is 8614250401693.

It is a super-2 number, since 2×3961040524168² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1105507705 + ... + 1105511287.

It is an arithmetic number, because the mean of its divisors is an integer number (71598643200).

Almost surely, 2^{3961040524168} 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 3961040524168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4582313164800).

3961040524168 is an abundant number, since it is smaller than the sum of its proper divisors (5203585805432).

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

3961040524168 is a wasteful number, since it uses less digits than its factorization.

3961040524168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131 (or 7127 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 3961040524168 in words is "three trillion, nine hundred sixty-one billion, forty million, five hundred twenty-four thousand, one hundred sixty-eight".