169626205145 has 8 divisors (see below), whose sum is σ = 203570119680. Its totient is φ = 135688515120.

The previous prime is 169626205127. The next prime is 169626205157. The reversal of 169626205145 is 541502626961.

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

It is not a de Polignac number, because 169626205145 - 2²² = 169622010841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 169626205145.

It is an unprimeable number.

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, 1495961 + ... + 1605350.

It is an arithmetic number, because the mean of its divisors is an integer number (25446264960).

Almost surely, 2^169626205145 is an apocalyptic number.

It is an amenable number.

169626205145 is a deficient number, since it is larger than the sum of its proper divisors (33943914535).

169626205145 is a wasteful number, since it uses less digits than its factorization.

169626205145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112255.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 169626205145 in words is "one hundred sixty-nine billion, six hundred twenty-six million, two hundred five thousand, one hundred forty-five".