169166213453 has 8 divisors (see below), whose sum is σ = 169369345560. Its totient is φ = 168963174720.

The previous prime is 169166213429. The next prime is 169166213467. The reversal of 169166213453 is 354312661961.

169166213453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49852618729 + 119313594724 = 223277^2 + 345418^2 .

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 169166213453 - 2⁸ = 169166213197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169166213398 and 169166213407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169166213413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4012463 + ... + 4054403.

It is an arithmetic number, because the mean of its divisors is an integer number (21171168195).

Almost surely, 2^169166213453 is an apocalyptic number.

It is an amenable number.

169166213453 is a deficient number, since it is larger than the sum of its proper divisors (203132107).

169166213453 is a wasteful number, since it uses less digits than its factorization.

169166213453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46687.

The product of its digits is 699840, while the sum is 47.

The spelling of 169166213453 in words is "one hundred sixty-nine billion, one hundred sixty-six million, two hundred thirteen thousand, four hundred fifty-three".