66275496 has 160 divisors (see below), whose sum is σ = 223608000. Its totient is φ = 17915904.

The previous prime is 66275491. The next prime is 66275497. The reversal of 66275496 is 69457266.

66275496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×66275496³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66275491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85800 + ... + 86568.

It is an arithmetic number, because the mean of its divisors is an integer number (1397550).

Almost surely, 2^66275496 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 66275496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111804000).

66275496 is an abundant number, since it is smaller than the sum of its proper divisors (157332504).

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

66275496 is a wasteful number, since it uses less digits than its factorization.

66275496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 800 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 66275496 is about 8140.9763542219. The cubic root of 66275496 is about 404.6855171839.

The spelling of 66275496 in words is "sixty-six million, two hundred seventy-five thousand, four hundred ninety-six".