93318561840 has 160 divisors (see below), whose sum is σ = 332993687040. Its totient is φ = 21176451072.

The previous prime is 93318561727. The next prime is 93318561881. The reversal of 93318561840 is 4816581339.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 93318561840.

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, 33712 + ... + 433328.

It is an arithmetic number, because the mean of its divisors is an integer number (2081210544).

Almost surely, 2^93318561840 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 93318561840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166496843520).

93318561840 is an abundant number, since it is smaller than the sum of its proper divisors (239675125200).

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

93318561840 is a wasteful number, since it uses less digits than its factorization.

93318561840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399779 (or 399773 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 93318561840 in words is "ninety-three billion, three hundred eighteen million, five hundred sixty-one thousand, eight hundred forty".