165417359016 has 64 divisors (see below), whose sum is σ = 508976496000. Its totient is φ = 43626555648.

The previous prime is 165417358973. The next prime is 165417359039. The reversal of 165417359016 is 610953714561.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37868091 + ... + 37872458.

It is an arithmetic number, because the mean of its divisors is an integer number (7952757750).

Almost surely, 2^165417359016 is an apocalyptic number.

It is an amenable number.

165417359016 is an abundant number, since it is smaller than the sum of its proper divisors (343559136984).

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

165417359016 is a wasteful number, since it uses less digits than its factorization.

165417359016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75740578 (or 75740574 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 165417359016 in words is "one hundred sixty-five billion, four hundred seventeen million, three hundred fifty-nine thousand, sixteen".