66356192 has 72 divisors (see below), whose sum is σ = 153838440. Its totient is φ = 28089600.

The previous prime is 66356177. The next prime is 66356201. The reversal of 66356192 is 29165366.

66356192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 158159 + ... + 158577.

It is an arithmetic number, because the mean of its divisors is an integer number (2136645).

Almost surely, 2^66356192 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 66356192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76919220).

66356192 is an abundant number, since it is smaller than the sum of its proper divisors (87482248).

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

66356192 is a wasteful number, since it uses less digits than its factorization.

66356192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 529 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 66356192 is about 8145.9310087921. The cubic root of 66356192 is about 404.8496968049.

The spelling of 66356192 in words is "sixty-six million, three hundred fifty-six thousand, one hundred ninety-two".