94163312640 has 448 divisors, whose sum is σ = 313899328512. Its totient is φ = 24084480000.

The previous prime is 94163312623. The next prime is 94163312641. The reversal of 94163312640 is 4621336149.

It is not an unprimeable number, because it can be changed into a prime (94163312641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375152515 + ... + 375152765.

It is an arithmetic number, because the mean of its divisors is an integer number (700668144).

Almost surely, 2^94163312640 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 94163312640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156949664256).

94163312640 is an abundant number, since it is smaller than the sum of its proper divisors (219736015872).

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

94163312640 is a wasteful number, since it uses less digits than its factorization.

94163312640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

Adding to 94163312640 its reverse (4621336149), we get a palindrome (98784648789).

The spelling of 94163312640 in words is "ninety-four billion, one hundred sixty-three million, three hundred twelve thousand, six hundred forty".