165617496 has 96 divisors (see below), whose sum is σ = 495705600. Its totient is φ = 49533120.

The previous prime is 165617483. The next prime is 165617533. The reversal of 165617496 is 694716561.

165617496 is a `hidden beast` number, since 16 + 561 + 74 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61245 + ... + 63891.

It is an arithmetic number, because the mean of its divisors is an integer number (5163600).

Almost surely, 2^165617496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165617496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247852800).

165617496 is an abundant number, since it is smaller than the sum of its proper divisors (330088104).

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

165617496 is a wasteful number, since it uses less digits than its factorization.

165617496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749 (or 2742 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 165617496 is about 12869.2461317670. The cubic root of 165617496 is about 549.1640148173.

The spelling of 165617496 in words is "one hundred sixty-five million, six hundred seventeen thousand, four hundred ninety-six".