169420052 has 6 divisors (see below), whose sum is σ = 296485098. Its totient is φ = 84710024.

The previous prime is 169420051. The next prime is 169420057. The reversal of 169420052 is 250024961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 109914256 + 59505796 = 10484^2 + 7714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 169419997 and 169420024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169420051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21177503 + ... + 21177510.

It is an arithmetic number, because the mean of its divisors is an integer number (49414183).

Almost surely, 2^169420052 is an apocalyptic number.

It is an amenable number.

169420052 is a deficient number, since it is larger than the sum of its proper divisors (127065046).

169420052 is a wasteful number, since it uses less digits than its factorization.

169420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42355017 (or 42355015 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 169420052 is about 13016.1458197118. The cubic root of 169420052 is about 553.3351641042.

The spelling of 169420052 in words is "one hundred sixty-nine million, four hundred twenty thousand, fifty-two".