165003797 has 8 divisors (see below), whose sum is σ = 188655552. Its totient is φ = 141372000.

The previous prime is 165003779. The next prime is 165003799. The reversal of 165003797 is 797300561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165003797 - 2¹⁸ = 164741653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165003797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165003799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23897 + ... + 30017.

It is an arithmetic number, because the mean of its divisors is an integer number (23581944).

Almost surely, 2^165003797 is an apocalyptic number.

It is an amenable number.

165003797 is a deficient number, since it is larger than the sum of its proper divisors (23651755).

165003797 is an equidigital number, since it uses as much as digits as its factorization.

165003797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 165003797 is about 12845.3803758394. The cubic root of 165003797 is about 548.4848624454.

The spelling of 165003797 in words is "one hundred sixty-five million, three thousand, seven hundred ninety-seven".