66003124 has 12 divisors (see below), whose sum is σ = 126006048. Its totient is φ = 30001400.

The previous prime is 66003109. The next prime is 66003127. The reversal of 66003124 is 42130066.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 66003095 and 66003104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66003127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749992 + ... + 750079.

It is an arithmetic number, because the mean of its divisors is an integer number (10500504).

Almost surely, 2^66003124 is an apocalyptic number.

It is an amenable number.

66003124 is a deficient number, since it is larger than the sum of its proper divisors (60002924).

66003124 is a wasteful number, since it uses less digits than its factorization.

66003124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500086 (or 1500084 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 66003124 is about 8124.2306712697. The cubic root of 66003124 is about 404.1303781403.

The spelling of 66003124 in words is "sixty-six million, three thousand, one hundred twenty-four".