52320741660 has 288 divisors, whose sum is σ = 179106729984. Its totient is φ = 12260822400.

The previous prime is 52320741631. The next prime is 52320741661. The reversal of 52320741660 is 6614702325.

52320741660 is a `hidden beast` number, since 5 + 232 + 0 + 7 + 416 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52320741661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58985737 + ... + 58986623.

It is an arithmetic number, because the mean of its divisors is an integer number (621898368).

Almost surely, 2^52320741660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52320741660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89553364992).

52320741660 is an abundant number, since it is smaller than the sum of its proper divisors (126785988324).

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

52320741660 is a wasteful number, since it uses less digits than its factorization.

52320741660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 52320741660 in words is "fifty-two billion, three hundred twenty million, seven hundred forty-one thousand, six hundred sixty".