23638032181648 has 20 divisors (see below), whose sum is σ = 45803927147868. Its totient is φ = 11817663885440.

The previous prime is 23638032181627. The next prime is 23638032181667. The reversal of 23638032181648 is 84618123083632.

It can be written as a sum of positive squares in 2 ways, for example, as 1575396501904 + 22062635679744 = 1255148^2 + 4697088^2 .

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, 84368611 + ... + 84648322.

Almost surely, 2^{23638032181648} is an apocalyptic number.

It is an amenable number.

23638032181648 is a deficient number, since it is larger than the sum of its proper divisors (22165894966220).

23638032181648 is a wasteful number, since it uses less digits than its factorization.

23638032181648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169025682 (or 169025676 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 55.

The spelling of 23638032181648 in words is "twenty-three trillion, six hundred thirty-eight billion, thirty-two million, one hundred eighty-one thousand, six hundred forty-eight".