165596908096 has 21 divisors (see below), whose sum is σ = 328612824739. Its totient is φ = 82796826304.

The previous prime is 165596908091. The next prime is 165596908109. The reversal of 165596908096 is 690809695561.

The square root of 165596908096 is 406936.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165596908091) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3230055 + ... + 3280921.

Almost surely, 2^165596908096 is an apocalyptic number.

165596908096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

165596908096 is the 406936-th square number.

It is an amenable number.

165596908096 is a deficient number, since it is larger than the sum of its proper divisors (163015916643).

165596908096 is an frugal number, since it uses more digits than its factorization.

165596908096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101746 (or 50869 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 64.

Multiplying 165596908096 by its sum of digits (64), we get a square (10598202118144 = 3255488²).

165596908096 divided by its sum of digits (64) gives a square (2587451689 = 50867²).

The spelling of 165596908096 in words is "one hundred sixty-five billion, five hundred ninety-six million, nine hundred eight thousand, ninety-six".