165343125696 has 504 divisors, whose sum is σ = 551663225856. Its totient is φ = 43450767360.

The previous prime is 165343125671. The next prime is 165343125709. The reversal of 165343125696 is 696521343561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1053140850 + ... + 1053141006.

Almost surely, 2^165343125696 is an apocalyptic number.

165343125696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165343125696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275831612928).

165343125696 is an abundant number, since it is smaller than the sum of its proper divisors (386320100160).

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

165343125696 is a wasteful number, since it uses less digits than its factorization.

165343125696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 223 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 51.

The spelling of 165343125696 in words is "one hundred sixty-five billion, three hundred forty-three million, one hundred twenty-five thousand, six hundred ninety-six".