628220160 has 216 divisors, whose sum is σ = 2269036224. Its totient is φ = 160174080.

The previous prime is 628220149. The next prime is 628220191. The reversal of 628220160 is 61022826.

628220160 is a `hidden beast` number, since 628 + 2 + 20 + 16 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263775 + ... + 266145.

Almost surely, 2^628220160 is an apocalyptic number.

628220160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628220160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134518112).

628220160 is an abundant number, since it is smaller than the sum of its proper divisors (1640816064).

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

628220160 is a wasteful number, since it uses less digits than its factorization.

628220160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 628220160 is about 25064.3204575747. The cubic root of 628220160 is about 856.4538310272.

Adding to 628220160 its reverse (61022826), we get a palindrome (689242986).

The spelling of 628220160 in words is "six hundred twenty-eight million, two hundred twenty thousand, one hundred sixty".