165075706461 has 8 divisors (see below), whose sum is σ = 220542028000. Its totient is φ = 109829927952.

The previous prime is 165075706447. The next prime is 165075706643. The reversal of 165075706461 is 164607570561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-165075706461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165075706461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165075706361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55134010 + ... + 55137003.

It is an arithmetic number, because the mean of its divisors is an integer number (27567753500).

Almost surely, 2^165075706461 is an apocalyptic number.

It is an amenable number.

165075706461 is a deficient number, since it is larger than the sum of its proper divisors (55466321539).

165075706461 is a wasteful number, since it uses less digits than its factorization.

165075706461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110271515.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 165075706461 in words is "one hundred sixty-five billion, seventy-five million, seven hundred six thousand, four hundred sixty-one".