169385092 has 6 divisors (see below), whose sum is σ = 296423918. Its totient is φ = 84692544.

The previous prime is 169385081. The next prime is 169385119. The reversal of 169385092 is 290583961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128731716 + 40653376 = 11346^2 + 6376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21173133 + ... + 21173140.

Almost surely, 2^169385092 is an apocalyptic number.

It is an amenable number.

169385092 is a deficient number, since it is larger than the sum of its proper divisors (127038826).

169385092 is a wasteful number, since it uses less digits than its factorization.

169385092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42346277 (or 42346275 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 169385092 is about 13014.8028029625. The cubic root of 169385092 is about 553.2971010614.

The spelling of 169385092 in words is "one hundred sixty-nine million, three hundred eighty-five thousand, ninety-two".