66803060 has 12 divisors (see below), whose sum is σ = 140286468. Its totient is φ = 26721216.

The previous prime is 66803059. The next prime is 66803089. The reversal of 66803060 is 6030866.

It can be written as a sum of positive squares in 2 ways, for example, as 44863204 + 21939856 = 6698^2 + 4684^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670057 + ... + 1670096.

It is an arithmetic number, because the mean of its divisors is an integer number (11690539).

Almost surely, 2^66803060 is an apocalyptic number.

It is an amenable number.

66803060 is an abundant number, since it is smaller than the sum of its proper divisors (73483408).

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

66803060 is a wasteful number, since it uses less digits than its factorization.

66803060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340162 (or 3340160 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66803060 is about 8173.3138933972. The cubic root of 66803060 is about 405.7564686069.

The spelling of 66803060 in words is "sixty-six million, eight hundred three thousand, sixty".