66306348 has 72 divisors (see below), whose sum is σ = 173365920. Its totient is φ = 21354240.

The previous prime is 66306337. The next prime is 66306367. The reversal of 66306348 is 84360366.

66306348 is a `hidden beast` number, since 6 + 6 + 306 + 348 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246358 + ... + 246626.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^66306348 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 66306348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86682960).

66306348 is an abundant number, since it is smaller than the sum of its proper divisors (107059572).

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

66306348 is a wasteful number, since it uses less digits than its factorization.

66306348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 66306348 is about 8142.8709924694. The cubic root of 66306348 is about 404.7483026852.

The spelling of 66306348 in words is "sixty-six million, three hundred six thousand, three hundred forty-eight".