66130043253624 has 144 divisors (see below), whose sum is σ = 216028297807920. Its totient is φ = 17899861282560.

The previous prime is 66130043253551. The next prime is 66130043253647. The reversal of 66130043253624 is 42635234003166.

66130043253624 is a `hidden beast` number, since 6 + 6 + 13 + 0 + 0 + 4 + 3 + 2 + 5 + 3 + 624 = 666.

It is a super-2 number, since 2×66130043253624² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66130043253624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 181549917 + ... + 181913804.

It is an arithmetic number, because the mean of its divisors is an integer number (1500196512555).

Almost surely, 2^{66130043253624} is an apocalyptic number.

It is an amenable number.

66130043253624 is an abundant number, since it is smaller than the sum of its proper divisors (149898254554296).

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

66130043253624 is a wasteful number, since it uses less digits than its factorization.

66130043253624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363463778 (or 363463752 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 66130043253624 in words is "sixty-six trillion, one hundred thirty billion, forty-three million, two hundred fifty-three thousand, six hundred twenty-four".