66453636113504 has 48 divisors (see below), whose sum is σ = 132684155170560. Its totient is φ = 32756149614720.

The previous prime is 66453636113411. The next prime is 66453636113507. The reversal of 66453636113504 is 40531163635466.

66453636113504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66453636113507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26668967 + ... + 29054105.

It is an arithmetic number, because the mean of its divisors is an integer number (2764253232720).

Almost surely, 2^{66453636113504} is an apocalyptic number.

It is an amenable number.

66453636113504 is a deficient number, since it is larger than the sum of its proper divisors (66230519057056).

66453636113504 is a wasteful number, since it uses less digits than its factorization.

66453636113504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397483 (or 2397475 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 53.

The spelling of 66453636113504 in words is "sixty-six trillion, four hundred fifty-three billion, six hundred thirty-six million, one hundred thirteen thousand, five hundred four".