66525466415411 has 8 divisors (see below), whose sum is σ = 67187909121984. Its totient is φ = 65863097723200.

The previous prime is 66525466415347. The next prime is 66525466415497. The reversal of 66525466415411 is 11451466452566.

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

It is a cyclic number.

It is not a de Polignac number, because 66525466415411 - 2⁶ = 66525466415347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66525466475411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16696130 + ... + 20293143.

It is an arithmetic number, because the mean of its divisors is an integer number (8398488640248).

Almost surely, 2^{66525466415411} is an apocalyptic number.

66525466415411 is a deficient number, since it is larger than the sum of its proper divisors (662442706573).

66525466415411 is a wasteful number, since it uses less digits than its factorization.

66525466415411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37007181.

The product of its digits is 20736000, while the sum is 56.

The spelling of 66525466415411 in words is "sixty-six trillion, five hundred twenty-five billion, four hundred sixty-six million, four hundred fifteen thousand, four hundred eleven".