628166883486 has 32 divisors (see below), whose sum is σ = 1266214715136. Its totient is φ = 207745560000.

The previous prime is 628166883481. The next prime is 628166883557. The reversal of 628166883486 is 684388661826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628166883481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307306 + ... + 1162226.

It is an arithmetic number, because the mean of its divisors is an integer number (39569209848).

Almost surely, 2^628166883486 is an apocalyptic number.

628166883486 is an abundant number, since it is smaller than the sum of its proper divisors (638047831650).

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

628166883486 is a wasteful number, since it uses less digits than its factorization.

628166883486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855888.

The product of its digits is 127401984, while the sum is 66.

The spelling of 628166883486 in words is "six hundred twenty-eight billion, one hundred sixty-six million, eight hundred eighty-three thousand, four hundred eighty-six".