169931394014 has 4 divisors (see below), whose sum is σ = 254897091024. Its totient is φ = 84965697006.

The previous prime is 169931394013. The next prime is 169931394049. The reversal of 169931394014 is 410493139961.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169931394011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42482848502 + ... + 42482848505.

It is an arithmetic number, because the mean of its divisors is an integer number (63724272756).

Almost surely, 2^169931394014 is an apocalyptic number.

169931394014 is a deficient number, since it is larger than the sum of its proper divisors (84965697010).

169931394014 is an equidigital number, since it uses as much as digits as its factorization.

169931394014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84965697009.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 169931394014 in words is "one hundred sixty-nine billion, nine hundred thirty-one million, three hundred ninety-four thousand, fourteen".