66327552 has 88 divisors (see below), whose sum is σ = 196512000. Its totient is φ = 22099968.

The previous prime is 66327551. The next prime is 66327577. The reversal of 66327552 is 25572366.

It is a happy number.

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 (66327551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26449 + ... + 28847.

Almost surely, 2^66327552 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 66327552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98256000).

66327552 is an abundant number, since it is smaller than the sum of its proper divisors (130184448).

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

66327552 is a wasteful number, since it uses less digits than its factorization.

66327552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2404 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 66327552 is about 8144.1728861806. The cubic root of 66327552 is about 404.7914426891.

The spelling of 66327552 in words is "sixty-six million, three hundred twenty-seven thousand, five hundred fifty-two".