13725294200666 has 16 divisors (see below), whose sum is σ = 21813539112000. Its totient is φ = 6454653105600.

The previous prime is 13725294200647. The next prime is 13725294200669. The reversal of 13725294200666 is 66600249252731.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13725294200669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134600510 + ... + 134702441.

It is an arithmetic number, because the mean of its divisors is an integer number (1363346194500).

Almost surely, 2^{13725294200666} is an apocalyptic number.

13725294200666 is a deficient number, since it is larger than the sum of its proper divisors (8088244911334).

13725294200666 is a wasteful number, since it uses less digits than its factorization.

13725294200666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269304469.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 13725294200666 in words is "thirteen trillion, seven hundred twenty-five billion, two hundred ninety-four million, two hundred thousand, six hundred sixty-six".