66525240141 has 20 divisors (see below), whose sum is σ = 99391653504. Its totient is φ = 44343714600.

The previous prime is 66525240139. The next prime is 66525240167. The reversal of 66525240141 is 14104252566.

It is not a de Polignac number, because 66525240141 - 2¹ = 66525240139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66525240096 and 66525240105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66525240241) 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 19 ways as a sum of consecutive naturals, for example, 537796 + ... + 649826.

Almost surely, 2^66525240141 is an apocalyptic number.

It is an amenable number.

66525240141 is a deficient number, since it is larger than the sum of its proper divisors (32866413363).

66525240141 is a wasteful number, since it uses less digits than its factorization.

66525240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119374 (or 119365 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 66525240141 in words is "sixty-six billion, five hundred twenty-five million, two hundred forty thousand, one hundred forty-one".