66124084 has 48 divisors (see below), whose sum is σ = 133189056. Its totient is φ = 28454400.

The previous prime is 66124081. The next prime is 66124099. The reversal of 66124084 is 48042166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66124081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115519 + ... + 116089.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 2^66124084 is an apocalyptic number.

It is an amenable number.

66124084 is an abundant number, since it is smaller than the sum of its proper divisors (67064972).

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

66124084 is a wasteful number, since it uses less digits than its factorization.

66124084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 66124084 is about 8131.6716608579. The cubic root of 66124084 is about 404.3771027190.

The spelling of 66124084 in words is "sixty-six million, one hundred twenty-four thousand, eighty-four".