107821326522 has 128 divisors (see below), whose sum is σ = 276033945600. Its totient is φ = 27317212416.

The previous prime is 107821326511. The next prime is 107821326527. The reversal of 107821326522 is 225623128701.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (107821326527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1562179 + ... + 1629737.

It is an arithmetic number, because the mean of its divisors is an integer number (2156515200).

Almost surely, 2^107821326522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107821326522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138016972800).

107821326522 is an abundant number, since it is smaller than the sum of its proper divisors (168212619078).

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

107821326522 is a wasteful number, since it uses less digits than its factorization.

107821326522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67700.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 107821326522 in words is "one hundred seven billion, eight hundred twenty-one million, three hundred twenty-six thousand, five hundred twenty-two".