66215114134 has 32 divisors (see below), whose sum is σ = 108612814464. Its totient is φ = 30090839040.

The previous prime is 66215114129. The next prime is 66215114179. The reversal of 66215114134 is 43141151266.

It is a self number, because there is not a number n which added to its sum of digits gives 66215114134.

It is a congruent number.

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, 1096099 + ... + 1154929.

It is an arithmetic number, because the mean of its divisors is an integer number (3394150452).

Almost surely, 2^66215114134 is an apocalyptic number.

66215114134 is a deficient number, since it is larger than the sum of its proper divisors (42397700330).

66215114134 is a wasteful number, since it uses less digits than its factorization.

66215114134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59512.

The product of its digits is 17280, while the sum is 34.

The spelling of 66215114134 in words is "sixty-six billion, two hundred fifteen million, one hundred fourteen thousand, one hundred thirty-four".