66456124 has 24 divisors (see below), whose sum is σ = 133185920. Its totient is φ = 28422576.

The previous prime is 66456109. The next prime is 66456151. The reversal of 66456124 is 42165466.

It is a self number, because there is not a number n which added to its sum of digits gives 66456124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13147 + ... + 17485.

Almost surely, 2^66456124 is an apocalyptic number.

It is an amenable number.

66456124 is an abundant number, since it is smaller than the sum of its proper divisors (66729796).

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

66456124 is a wasteful number, since it uses less digits than its factorization.

66456124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4895 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 66456124 is about 8152.0625610946. The cubic root of 66456124 is about 405.0528285505.

It can be divided in two parts, 6645 and 6124, that added together give a square (12769 = 113²).

The spelling of 66456124 in words is "sixty-six million, four hundred fifty-six thousand, one hundred twenty-four".