165062387 has 4 divisors (see below), whose sum is σ = 188642736. Its totient is φ = 141482040.

The previous prime is 165062357. The next prime is 165062389. The reversal of 165062387 is 783260561.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 165062387 - 2¹⁴ = 165046003 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 165062387.

It is not an unprimeable number, because it can be changed into a prime (165062389) 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 3 ways as a sum of consecutive naturals, for example, 11790164 + ... + 11790177.

It is an arithmetic number, because the mean of its divisors is an integer number (47160684).

Almost surely, 2^165062387 is an apocalyptic number.

165062387 is a deficient number, since it is larger than the sum of its proper divisors (23580349).

165062387 is an equidigital number, since it uses as much as digits as its factorization.

165062387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23580348.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 165062387 is about 12847.6607598426. The cubic root of 165062387 is about 548.5497739319.

The spelling of 165062387 in words is "one hundred sixty-five million, sixty-two thousand, three hundred eighty-seven".