169338897 has 64 divisors (see below), whose sum is σ = 316485120. Its totient is φ = 87143040.

The previous prime is 169338893. The next prime is 169338913. The reversal of 169338897 is 798833961.

It is not a de Polignac number, because 169338897 - 2² = 169338893 is a prime.

Its product of digits (1959552) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169338893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4130197 + ... + 4130237.

It is an arithmetic number, because the mean of its divisors is an integer number (4945080).

Almost surely, 2^169338897 is an apocalyptic number.

It is an amenable number.

169338897 is a deficient number, since it is larger than the sum of its proper divisors (147146223).

169338897 is an frugal number, since it uses more digits than its factorization.

169338897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 64 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 169338897 is about 13013.0279719979. The cubic root of 169338897 is about 553.2467977689.

The spelling of 169338897 in words is "one hundred sixty-nine million, three hundred thirty-eight thousand, eight hundred ninety-seven".