66335230500252 has 288 divisors, whose sum is σ = 185041153769472. Its totient is φ = 18116112306432.

The previous prime is 66335230500241. The next prime is 66335230500277. The reversal of 66335230500252 is 25200503253366.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21943508413 + ... + 21943511435.

It is an arithmetic number, because the mean of its divisors is an integer number (642504006144).

Almost surely, 2^{66335230500252} 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 66335230500252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92520576884736).

66335230500252 is an abundant number, since it is smaller than the sum of its proper divisors (118705923269220).

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

66335230500252 is a wasteful number, since it uses less digits than its factorization.

66335230500252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105 (or 6074 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 42.

The spelling of 66335230500252 in words is "sixty-six trillion, three hundred thirty-five billion, two hundred thirty million, five hundred thousand, two hundred fifty-two".