621358940160 has 1088 divisors, whose sum is σ = 2576960716800. Its totient is φ = 139122966528.

The previous prime is 621358940159. The next prime is 621358940207. The reversal of 621358940160 is 61049853126.

621358940160 is a `hidden beast` number, since 6 + 2 + 1 + 3 + 589 + 4 + 0 + 1 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 4892590017 + ... + 4892590143.

Almost surely, 2^621358940160 is an apocalyptic number.

621358940160 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 621358940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288480358400).

621358940160 is an abundant number, since it is smaller than the sum of its proper divisors (1955601776640).

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

621358940160 is an equidigital number, since it uses as much as digits as its factorization.

621358940160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 621358940160 in words is "six hundred twenty-one billion, three hundred fifty-eight million, nine hundred forty thousand, one hundred sixty".