165152277 has 12 divisors (see below), whose sum is σ = 247388960. Its totient is φ = 110101356.

The previous prime is 165152257. The next prime is 165152327. The reversal of 165152277 is 772251561.

165152277 is a `hidden beast` number, since 1 + 65 + 1 + 522 + 77 = 666.

It is not a de Polignac number, because 165152277 - 2⁷ = 165152149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165152257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339577 + ... + 340062.

Almost surely, 2^165152277 is an apocalyptic number.

It is an amenable number.

165152277 is a deficient number, since it is larger than the sum of its proper divisors (82236683).

165152277 is an frugal number, since it uses more digits than its factorization.

165152277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679654 (or 679642 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 165152277 is about 12851.1585859019. The cubic root of 165152277 is about 548.6493326338.

The spelling of 165152277 in words is "one hundred sixty-five million, one hundred fifty-two thousand, two hundred seventy-seven".