165032415 has 12 divisors (see below), whose sum is σ = 286056264. Its totient is φ = 88017264.

The previous prime is 165032411. The next prime is 165032443. The reversal of 165032415 is 514230561.

165032415 is a `hidden beast` number, since 1 + 650 + 3 + 2 + 4 + 1 + 5 = 666.

It is not a de Polignac number, because 165032415 - 2² = 165032411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165032411) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1833649 + ... + 1833738.

It is an arithmetic number, because the mean of its divisors is an integer number (23838022).

Almost surely, 2^165032415 is an apocalyptic number.

165032415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165032415 is a deficient number, since it is larger than the sum of its proper divisors (121023849).

165032415 is a wasteful number, since it uses less digits than its factorization.

165032415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667398 (or 3667395 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 165032415 is about 12846.4942688657. The cubic root of 165032415 is about 548.5165700641.

Adding to 165032415 its reverse (514230561), we get a palindrome (679262976).

The spelling of 165032415 in words is "one hundred sixty-five million, thirty-two thousand, four hundred fifteen".