169097723136 has 108 divisors (see below), whose sum is σ = 495814388160. Its totient is φ = 55410508800.

The previous prime is 169097723129. The next prime is 169097723141. The reversal of 169097723136 is 631327790961.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486040 + ... + 757911.

Almost surely, 2^169097723136 is an apocalyptic number.

169097723136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

169097723136 is an abundant number, since it is smaller than the sum of its proper divisors (326716665024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169097723136 is a wasteful number, since it uses less digits than its factorization.

169097723136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244032 (or 1244015 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 169097723136 in words is "one hundred sixty-nine billion, ninety-seven million, seven hundred twenty-three thousand, one hundred thirty-six".