66771059134 has 8 divisors (see below), whose sum is σ = 107860941720. Its totient is φ = 30817411896.

The previous prime is 66771059129. The next prime is 66771059161. The reversal of 66771059134 is 43195017766.

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

It is a super-2 number, since 2×66771059134² (a number of 22 digits) contains 22 as substring.

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, 1284058804 + ... + 1284058855.

It is an arithmetic number, because the mean of its divisors is an integer number (13482617715).

Almost surely, 2^66771059134 is an apocalyptic number.

66771059134 is a deficient number, since it is larger than the sum of its proper divisors (41089882586).

66771059134 is a wasteful number, since it uses less digits than its factorization.

66771059134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568117674.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 66771059134 in words is "sixty-six billion, seven hundred seventy-one million, fifty-nine thousand, one hundred thirty-four".