66265614 has 48 divisors (see below), whose sum is σ = 151482240. Its totient is φ = 21704760.

The previous prime is 66265579. The next prime is 66265627. The reversal of 66265614 is 41656266.

It is a happy number.

66265614 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-2 number, since 2×66265614² = 8782263197593992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 27519 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (3155880).

Almost surely, 2^66265614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66265614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75741120).

66265614 is an abundant number, since it is smaller than the sum of its proper divisors (85216626).

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

66265614 is a wasteful number, since it uses less digits than its factorization.

66265614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2375 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 66265614 is about 8140.3694019375. The cubic root of 66265614 is about 404.6654026554.

The spelling of 66265614 in words is "sixty-six million, two hundred sixty-five thousand, six hundred fourteen".