66131110235 has 8 divisors (see below), whose sum is σ = 79447824816. Its totient is φ = 52844559840.

The previous prime is 66131110229. The next prime is 66131110247. The reversal of 66131110235 is 53201113166.

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

It is not a de Polignac number, because 66131110235 - 2³⁴ = 48951241051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66131110198 and 66131110207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7536221 + ... + 7544990.

It is an arithmetic number, because the mean of its divisors is an integer number (9930978102).

Almost surely, 2^66131110235 is an apocalyptic number.

66131110235 is a deficient number, since it is larger than the sum of its proper divisors (13316714581).

66131110235 is a wasteful number, since it uses less digits than its factorization.

66131110235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082093.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 66131110235 in words is "sixty-six billion, one hundred thirty-one million, one hundred ten thousand, two hundred thirty-five".