628196058522 has 64 divisors (see below), whose sum is σ = 1415405376000. Its totient is φ = 206501944320.

The previous prime is 628196058521. The next prime is 628196058533. The reversal of 628196058522 is 225850691826.

628196058522 is a `hidden beast` number, since 6 + 2 + 8 + 1 + 9 + 60 + 58 + 522 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (628196058521) 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, 1258479 + ... + 1685277.

It is an arithmetic number, because the mean of its divisors is an integer number (22115709000).

Almost surely, 2^628196058522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628196058522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707702688000).

628196058522 is an abundant number, since it is smaller than the sum of its proper divisors (787209317478).

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

628196058522 is a wasteful number, since it uses less digits than its factorization.

628196058522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427188 (or 427182 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 628196058522 in words is "six hundred twenty-eight billion, one hundred ninety-six million, fifty-eight thousand, five hundred twenty-two".