66683124 has 36 divisors (see below), whose sum is σ = 169225056. Its totient is φ = 22140048.

The previous prime is 66683117. The next prime is 66683143. The reversal of 66683124 is 42138666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5947 + ... + 12989.

It is an arithmetic number, because the mean of its divisors is an integer number (4700696).

Almost surely, 2^66683124 is an apocalyptic number.

It is an amenable number.

66683124 is an abundant number, since it is smaller than the sum of its proper divisors (102541932).

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

66683124 is a wasteful number, since it uses less digits than its factorization.

66683124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316 (or 7311 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 66683124 is about 8165.9735488183. The cubic root of 66683124 is about 405.5134959016.

The spelling of 66683124 in words is "sixty-six million, six hundred eighty-three thousand, one hundred twenty-four".