165417500140 has 24 divisors (see below), whose sum is σ = 347498458272. Its totient is φ = 66143817600.

The previous prime is 165417500051. The next prime is 165417500167. The reversal of 165417500140 is 41005714561.

It is a junction number, because it is equal to n+sod(n) for n = 165417500096 and 165417500105.

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, 1390336 + ... + 1504615.

It is an arithmetic number, because the mean of its divisors is an integer number (14479102428).

Almost surely, 2^165417500140 is an apocalyptic number.

165417500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165417500140 is an abundant number, since it is smaller than the sum of its proper divisors (182080958132).

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

165417500140 is a wasteful number, since it uses less digits than its factorization.

165417500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897817 (or 2897815 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 165417500140 in words is "one hundred sixty-five billion, four hundred seventeen million, five hundred thousand, one hundred forty".