165480677 has 2 divisors, whose sum is σ = 165480678. Its totient is φ = 165480676.

The previous prime is 165480673. The next prime is 165480719. The reversal of 165480677 is 776084561.

165480677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 40018276 = 11201^2 + 6326^2 .

It is a cyclic number.

It is not a de Polignac number, because 165480677 - 2² = 165480673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165480673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82740338 + 82740339.

It is an arithmetic number, because the mean of its divisors is an integer number (82740339).

Almost surely, 2^165480677 is an apocalyptic number.

It is an amenable number.

165480677 is a deficient number, since it is larger than the sum of its proper divisors (1).

165480677 is an equidigital number, since it uses as much as digits as its factorization.

165480677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 165480677 is about 12863.9292986241. The cubic root of 165480677 is about 549.0127490534.

The spelling of 165480677 in words is "one hundred sixty-five million, four hundred eighty thousand, six hundred seventy-seven".