169338542 has 4 divisors (see below), whose sum is σ = 254007816. Its totient is φ = 84669270.

The previous prime is 169338541. The next prime is 169338553. The reversal of 169338542 is 245833961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245833961 = 2251 ⋅109211.

It is a self number, because there is not a number n which added to its sum of digits gives 169338542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169338541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42334634 + ... + 42334637.

It is an arithmetic number, because the mean of its divisors is an integer number (63501954).

Almost surely, 2^169338542 is an apocalyptic number.

169338542 is a deficient number, since it is larger than the sum of its proper divisors (84669274).

169338542 is an equidigital number, since it uses as much as digits as its factorization.

169338542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84669273.

The product of its digits is 155520, while the sum is 41.

The square root of 169338542 is about 13013.0143318141. The cubic root of 169338542 is about 553.2464111620.

The spelling of 169338542 in words is "one hundred sixty-nine million, three hundred thirty-eight thousand, five hundred forty-two".