66150013235 has 16 divisors (see below), whose sum is σ = 80858649600. Its totient is φ = 51937215456.

The previous prime is 66150013219. The next prime is 66150013253. The reversal of 66150013235 is 53231005166.

It is a cyclic number.

It is not a de Polignac number, because 66150013235 - 2⁴ = 66150013219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5645 + ... + 363774.

It is an arithmetic number, because the mean of its divisors is an integer number (5053665600).

Almost surely, 2^66150013235 is an apocalyptic number.

66150013235 is a deficient number, since it is larger than the sum of its proper divisors (14708636365).

66150013235 is a wasteful number, since it uses less digits than its factorization.

66150013235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370090.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 66150013235 in words is "sixty-six billion, one hundred fifty million, thirteen thousand, two hundred thirty-five".