165349077 has 16 divisors (see below), whose sum is σ = 233617920. Its totient is φ = 103734000.

The previous prime is 165349073. The next prime is 165349081. The reversal of 165349077 is 770943561.

It is an interprime number because it is at equal distance from previous prime (165349073) and next prime (165349081).

It is not a de Polignac number, because 165349077 - 2² = 165349073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165349073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999 + ... + 18212.

It is an arithmetic number, because the mean of its divisors is an integer number (14601120).

Almost surely, 2^165349077 is an apocalyptic number.

It is an amenable number.

165349077 is a deficient number, since it is larger than the sum of its proper divisors (68268843).

165349077 is a wasteful number, since it uses less digits than its factorization.

165349077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 165349077 is about 12858.8132034026. The cubic root of 165349077 is about 548.8671746776.

The spelling of 165349077 in words is "one hundred sixty-five million, three hundred forty-nine thousand, seventy-seven".