165014819 has 4 divisors (see below), whose sum is σ = 165201744. Its totient is φ = 164827896.

The previous prime is 165014803. The next prime is 165014831. The reversal of 165014819 is 918410561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918410561 = 283 ⋅3245267.

It is a cyclic number.

It is not a de Polignac number, because 165014819 - 2⁴ = 165014803 is a prime.

It is a super-2 number, since 2×165014819² = 54459780979205522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165014219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92132 + ... + 93905.

It is an arithmetic number, because the mean of its divisors is an integer number (41300436).

Almost surely, 2^165014819 is an apocalyptic number.

165014819 is a deficient number, since it is larger than the sum of its proper divisors (186925).

165014819 is an equidigital number, since it uses as much as digits as its factorization.

165014819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186924.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 165014819 is about 12845.8093945068. The cubic root of 165014819 is about 548.4970748221.

The spelling of 165014819 in words is "one hundred sixty-five million, fourteen thousand, eight hundred nineteen".