66092768 has 72 divisors (see below), whose sum is σ = 154068264. Its totient is φ = 27820800.

The previous prime is 66092737. The next prime is 66092771. The reversal of 66092768 is 86729066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95303 + ... + 95993.

It is an arithmetic number, because the mean of its divisors is an integer number (2139837).

Almost surely, 2^66092768 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 66092768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77034132).

66092768 is an abundant number, since it is smaller than the sum of its proper divisors (87975496).

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

66092768 is a wasteful number, since it uses less digits than its factorization.

66092768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 66092768 is about 8129.7458754871. The cubic root of 66092768 is about 404.3132557199.

The spelling of 66092768 in words is "sixty-six million, ninety-two thousand, seven hundred sixty-eight".