66141115534 has 8 divisors (see below), whose sum is σ = 106843340520. Its totient is φ = 30526668696.

The previous prime is 66141115493. The next prime is 66141115541. The reversal of 66141115534 is 43551114166.

It is a happy number.

66141115534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×66141115534² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66141115493 and 66141115502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271944504 + ... + 1271944555.

It is an arithmetic number, because the mean of its divisors is an integer number (13355417565).

Almost surely, 2^66141115534 is an apocalyptic number.

66141115534 is a deficient number, since it is larger than the sum of its proper divisors (40702224986).

66141115534 is a wasteful number, since it uses less digits than its factorization.

66141115534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543889074.

The product of its digits is 43200, while the sum is 37.

The spelling of 66141115534 in words is "sixty-six billion, one hundred forty-one million, one hundred fifteen thousand, five hundred thirty-four".