169400368169 has 8 divisors (see below), whose sum is σ = 178528728000. Its totient is φ = 160293263472.

The previous prime is 169400368141. The next prime is 169400368199. The reversal of 169400368169 is 961863004961.

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 169400368169 - 2¹⁶ = 169400302633 is a prime.

It is a super-2 number, since 2×169400368169² (a number of 23 digits) contains 22 as substring.

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 169400368169.

It is not an unprimeable number, because it can be changed into a prime (169400368139) 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, 5297414 + ... + 5329295.

It is an arithmetic number, because the mean of its divisors is an integer number (22316091000).

Almost surely, 2^169400368169 is an apocalyptic number.

169400368169 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

169400368169 is a deficient number, since it is larger than the sum of its proper divisors (9128359831).

169400368169 is a wasteful number, since it uses less digits than its factorization.

169400368169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627567.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 169400368169 in words is "one hundred sixty-nine billion, four hundred million, three hundred sixty-eight thousand, one hundred sixty-nine".