169320323136 has 56 divisors (see below), whose sum is σ = 474345914400. Its totient is φ = 53120100352.

The previous prime is 169320323129. The next prime is 169320323141. The reversal of 169320323136 is 631323023961.

It is a junction number, because it is equal to n+sod(n) for n = 169320323094 and 169320323103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25934286 + ... + 25940813.

Almost surely, 2^169320323136 is an apocalyptic number.

169320323136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

169320323136 is an abundant number, since it is smaller than the sum of its proper divisors (305025591264).

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

169320323136 is a wasteful number, since it uses less digits than its factorization.

169320323136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51875131 (or 51875121 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 39.

The spelling of 169320323136 in words is "one hundred sixty-nine billion, three hundred twenty million, three hundred twenty-three thousand, one hundred thirty-six".