169994113 has 4 divisors (see below), whose sum is σ = 170269360. Its totient is φ = 169718868.

The previous prime is 169994089. The next prime is 169994117. The reversal of 169994113 is 311499961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169994113 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 169994113.

It is not an unprimeable number, because it can be changed into a prime (169994117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136695 + ... + 137932.

It is an arithmetic number, because the mean of its divisors is an integer number (42567340).

Almost surely, 2^169994113 is an apocalyptic number.

It is an amenable number.

169994113 is a deficient number, since it is larger than the sum of its proper divisors (275247).

169994113 is an equidigital number, since it uses as much as digits as its factorization.

169994113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275246.

The product of its digits is 52488, while the sum is 43.

The square root of 169994113 is about 13038.1790523063. The cubic root of 169994113 is about 553.9594310981.

It can be divided in two parts, 16999 and 4113, that added together give a palindrome (21112).

The spelling of 169994113 in words is "one hundred sixty-nine million, nine hundred ninety-four thousand, one hundred thirteen".