621532651060 has 48 divisors (see below), whose sum is σ = 1382684869440. Its totient is φ = 233872151040.

The previous prime is 621532651031. The next prime is 621532651081. The reversal of 621532651060 is 60156235126.

621532651060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229231 + ... + 1138249.

It is an arithmetic number, because the mean of its divisors is an integer number (28805934780).

Almost surely, 2^621532651060 is an apocalyptic number.

It is an amenable number.

621532651060 is an abundant number, since it is smaller than the sum of its proper divisors (761152218380).

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

621532651060 is a wasteful number, since it uses less digits than its factorization.

621532651060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911056 (or 911054 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 621532651060 its reverse (60156235126), we get a palindrome (681688886186).

The spelling of 621532651060 in words is "six hundred twenty-one billion, five hundred thirty-two million, six hundred fifty-one thousand, sixty".