204216662140125 has 64 divisors (see below), whose sum is σ = 340202327562240. Its totient is φ = 108791926848000.

The previous prime is 204216662140103. The next prime is 204216662140133. The reversal of 204216662140125 is 521041266612402.

It is not a de Polignac number, because 204216662140125 - 2¹¹ = 204216662138077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3394021041 + ... + 3394081209.

It is an arithmetic number, because the mean of its divisors is an integer number (5315661368160).

Almost surely, 2^{204216662140125} is an apocalyptic number.

204216662140125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204216662140125 is a deficient number, since it is larger than the sum of its proper divisors (135985665422115).

204216662140125 is an equidigital number, since it uses as much as digits as its factorization.

204216662140125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70311 (or 70301 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 204216662140125 in words is "two hundred four trillion, two hundred sixteen billion, six hundred sixty-two million, one hundred forty thousand, one hundred twenty-five".