488686166530138 has 16 divisors (see below), whose sum is σ = 758342744790120. Its totient is φ = 236023263232000.

The previous prime is 488686166529991. The next prime is 488686166530151. The reversal of 488686166530138 is 831035661686884.

It can be written as a sum of positive squares in 4 ways, for example, as 442441229598369 + 46244936931769 = 21034287^2 + 6800363^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29502899623 + ... + 29502916186.

Almost surely, 2^{488686166530138} is an apocalyptic number.

488686166530138 is a deficient number, since it is larger than the sum of its proper divisors (269656578259982).

488686166530138 is a wasteful number, since it uses less digits than its factorization.

488686166530138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59005815953.

The product of its (nonzero) digits is 955514880, while the sum is 73.

The spelling of 488686166530138 in words is "four hundred eighty-eight trillion, six hundred eighty-six billion, one hundred sixty-six million, five hundred thirty thousand, one hundred thirty-eight".