66351152 has 40 divisors (see below), whose sum is σ = 148800000. Its totient is φ = 28072512.

The previous prime is 66351149. The next prime is 66351163. The reversal of 66351152 is 25115366.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5099 + ... + 12597.

It is an arithmetic number, because the mean of its divisors is an integer number (3720000).

Almost surely, 2^66351152 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 66351152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74400000).

66351152 is an abundant number, since it is smaller than the sum of its proper divisors (82448848).

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

66351152 is a wasteful number, since it uses less digits than its factorization.

66351152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593 (or 7587 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 66351152 is about 8145.6216460133. The cubic root of 66351152 is about 404.8394465978.

It can be divided in two parts, 663 and 51152, that added together give a palindrome (51815).

The spelling of 66351152 in words is "sixty-six million, three hundred fifty-one thousand, one hundred fifty-two".