66152520165453 has 8 divisors (see below), whose sum is σ = 88203672489600. Its totient is φ = 44101523975808.

The previous prime is 66152520165451. The next prime is 66152520165533. The reversal of 66152520165453 is 35456102525166.

66152520165453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66152520165453 - 2¹ = 66152520165451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66152520165396 and 66152520165405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152520165451) 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, 38041413 + ... + 39742346.

It is an arithmetic number, because the mean of its divisors is an integer number (11025459061200).

Almost surely, 2^{66152520165453} is an apocalyptic number.

It is an amenable number.

66152520165453 is a deficient number, since it is larger than the sum of its proper divisors (22051152324147).

66152520165453 is a wasteful number, since it uses less digits than its factorization.

66152520165453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78067251.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 66152520165453 in words is "sixty-six trillion, one hundred fifty-two billion, five hundred twenty million, one hundred sixty-five thousand, four hundred fifty-three".