13664127036004 has 27 divisors (see below), whose sum is σ = 24708881401113. Its totient is φ = 6611563477200.

The previous prime is 13664127035981. The next prime is 13664127036037. The reversal of 13664127036004 is 40063072146631.

The square root of 13664127036004 is 3696502.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11468395796004 + 2195731240000 = 3386502^2 + 1481800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 229153314 + ... + 229212934.

Almost surely, 2^{13664127036004} is an apocalyptic number.

13664127036004 is the 3696502-nd square number.

It is an amenable number.

13664127036004 is a deficient number, since it is larger than the sum of its proper divisors (11044754365109).

13664127036004 is an frugal number, since it uses more digits than its factorization.

13664127036004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119308 (or 59654 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 13664127036004 in words is "thirteen trillion, six hundred sixty-four billion, one hundred twenty-seven million, thirty-six thousand, four".