169995156 has 12 divisors (see below), whose sum is σ = 396655392. Its totient is φ = 56665048.

The previous prime is 169995151. The next prime is 169995167. The reversal of 169995156 is 651599961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 169995099 and 169995108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169995151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7083120 + ... + 7083143.

It is an arithmetic number, because the mean of its divisors is an integer number (33054616).

Almost surely, 2^169995156 is an apocalyptic number.

It is an amenable number.

169995156 is an abundant number, since it is smaller than the sum of its proper divisors (226660236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169995156 is a wasteful number, since it uses less digits than its factorization.

169995156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166270 (or 14166268 counting only the distinct ones).

The product of its digits is 656100, while the sum is 51.

The square root of 169995156 is about 13038.2190501617. The cubic root of 169995156 is about 553.9605640363.

It can be divided in two parts, 16999 and 5156, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 169995156 in words is "one hundred sixty-nine million, nine hundred ninety-five thousand, one hundred fifty-six".