863426332416 has 144 divisors (see below), whose sum is σ = 2373186428928. Its totient is φ = 278397235200.

The previous prime is 863426332333. The next prime is 863426332423. The reversal of 863426332416 is 614233624368.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61679530 + ... + 61693526.

It is an arithmetic number, because the mean of its divisors is an integer number (16480461312).

Almost surely, 2^863426332416 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 863426332416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186593214464).

863426332416 is an abundant number, since it is smaller than the sum of its proper divisors (1509760096512).

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

863426332416 is a wasteful number, since it uses less digits than its factorization.

863426332416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16638 (or 16624 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 48.

The spelling of 863426332416 in words is "eight hundred sixty-three billion, four hundred twenty-six million, three hundred thirty-two thousand, four hundred sixteen".