169944449963 has 8 divisors (see below), whose sum is σ = 175913240400. Its totient is φ = 163982902048.

The previous prime is 169944449959. The next prime is 169944449977. The reversal of 169944449963 is 369944449961.

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

It is a cyclic number.

It is not a de Polignac number, because 169944449963 - 2² = 169944449959 is a prime.

It is a super-2 number, since 2×169944449963² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169944449893 and 169944449902.

It is not an unprimeable number, because it can be changed into a prime (169944449923) 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, 1762856 + ... + 1856757.

It is an arithmetic number, because the mean of its divisors is an integer number (21989155050).

Almost surely, 2^169944449963 is an apocalyptic number.

169944449963 is a deficient number, since it is larger than the sum of its proper divisors (5968790437).

169944449963 is a wasteful number, since it uses less digits than its factorization.

169944449963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621261.

The product of its digits is 181398528, while the sum is 68.

The spelling of 169944449963 in words is "one hundred sixty-nine billion, nine hundred forty-four million, four hundred forty-nine thousand, nine hundred sixty-three".