160661938065725 has 12 divisors (see below), whose sum is σ = 199223166505440. Its totient is φ = 128528025740400.

The previous prime is 160661938065721. The next prime is 160661938065731. The reversal of 160661938065725 is 527560839166061.

It is not a de Polignac number, because 160661938065725 - 2² = 160661938065721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160661938065721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35965835 + ... + 40185384.

It is an arithmetic number, because the mean of its divisors is an integer number (16601930542120).

Almost surely, 2^{160661938065725} is an apocalyptic number.

It is an amenable number.

160661938065725 is a deficient number, since it is larger than the sum of its proper divisors (38561228439715).

160661938065725 is an equidigital number, since it uses as much as digits as its factorization.

160661938065725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76235620 (or 76235615 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 160661938065725 in words is "one hundred sixty trillion, six hundred sixty-one billion, nine hundred thirty-eight million, sixty-five thousand, seven hundred twenty-five".