66042060 has 48 divisors (see below), whose sum is σ = 211335936. Its totient is φ = 15095232.

The previous prime is 66042049. The next prime is 66042073. The reversal of 66042060 is 6024066.

It is a self number, because there is not a number n which added to its sum of digits gives 66042060.

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 15 ways as a sum of consecutive naturals, for example, 78202 + ... + 79041.

It is an arithmetic number, because the mean of its divisors is an integer number (4402832).

Almost surely, 2^66042060 is an apocalyptic number.

66042060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66042060 is an abundant number, since it is smaller than the sum of its proper divisors (145293876).

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

66042060 is a wasteful number, since it uses less digits than its factorization.

66042060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157262 (or 157260 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66042060 is about 8126.6266064093. The cubic root of 66042060 is about 404.2098295679.

The spelling of 66042060 in words is "sixty-six million, forty-two thousand, sixty", and thus it is an eban number.