16765042601 has 4 divisors (see below), whose sum is σ = 16765569732. Its totient is φ = 16764515472.

The previous prime is 16765042589. The next prime is 16765042603. The reversal of 16765042601 is 10624056761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13631730025 + 3133312576 = 116755^2 + 55976^2 .

It is a cyclic number.

It is not a de Polignac number, because 16765042601 - 2⁶ = 16765042537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16765042603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212570 + ... + 280563.

It is an arithmetic number, because the mean of its divisors is an integer number (4191392433).

Almost surely, 2^16765042601 is an apocalyptic number.

It is an amenable number.

16765042601 is a deficient number, since it is larger than the sum of its proper divisors (527131).

16765042601 is an equidigital number, since it uses as much as digits as its factorization.

16765042601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527130.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 16765042601 in words is "sixteen billion, seven hundred sixty-five million, forty-two thousand, six hundred one".