65366146617140 has 12 divisors (see below), whose sum is σ = 137268907896036. Its totient is φ = 26146458646848.

The previous prime is 65366146617091. The next prime is 65366146617181. The reversal of 65366146617140 is 4171664166356.

It can be written as a sum of positive squares in 2 ways, for example, as 45319770144016 + 20046376473124 = 6731996^2 + 4477318^2 .

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, 1634153665409 + ... + 1634153665448.

It is an arithmetic number, because the mean of its divisors is an integer number (11439075658003).

Almost surely, 2^{65366146617140} is an apocalyptic number.

It is an amenable number.

65366146617140 is an abundant number, since it is smaller than the sum of its proper divisors (71902761278896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65366146617140 is a wasteful number, since it uses less digits than its factorization.

65366146617140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268307330866 (or 3268307330864 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 65366146617140 in words is "sixty-five trillion, three hundred sixty-six billion, one hundred forty-six million, six hundred seventeen thousand, one hundred forty".