66140110359 has 16 divisors (see below), whose sum is σ = 103749193440. Its totient is φ = 41499676800.

The previous prime is 66140110307. The next prime is 66140110391. The reversal of 66140110359 is 95301104166.

66140110359 is a `hidden beast` number, since 6 + 614 + 0 + 1 + 1 + 0 + 35 + 9 = 666.

It is not a de Polignac number, because 66140110359 - 2¹³ = 66140102167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66140110259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72047592 + ... + 72048509.

It is an arithmetic number, because the mean of its divisors is an integer number (6484324590).

Almost surely, 2^66140110359 is an apocalyptic number.

66140110359 is a deficient number, since it is larger than the sum of its proper divisors (37609083081).

66140110359 is a wasteful number, since it uses less digits than its factorization.

66140110359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144096127 (or 144096121 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 66140110359 in words is "sixty-six billion, one hundred forty million, one hundred ten thousand, three hundred fifty-nine".