65166142736 has 20 divisors (see below), whose sum is σ = 126263533200. Its totient is φ = 32582005152.

The previous prime is 65166142711. The next prime is 65166142771. The reversal of 65166142736 is 63724166156.

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, 716435 + ... + 802253.

It is an arithmetic number, because the mean of its divisors is an integer number (6313176660).

Almost surely, 2^65166142736 is an apocalyptic number.

It is an amenable number.

65166142736 is a deficient number, since it is larger than the sum of its proper divisors (61097390464).

65166142736 is a wasteful number, since it uses less digits than its factorization.

65166142736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133286 (or 133280 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The spelling of 65166142736 in words is "sixty-five billion, one hundred sixty-six million, one hundred forty-two thousand, seven hundred thirty-six".