165006497 has 2 divisors, whose sum is σ = 165006498. Its totient is φ = 165006496.

The previous prime is 165006493. The next prime is 165006533. The reversal of 165006497 is 794600561.

165006497 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., 161823841 + 3182656 = 12721^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 165006497 - 2² = 165006493 is a prime.

It is a super-2 number, since 2×165006497² = 54454288104422018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165006497.

It is not a weakly prime, because it can be changed into another prime (165006493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82503248 + 82503249.

It is an arithmetic number, because the mean of its divisors is an integer number (82503249).

Almost surely, 2^165006497 is an apocalyptic number.

It is an amenable number.

165006497 is a deficient number, since it is larger than the sum of its proper divisors (1).

165006497 is an equidigital number, since it uses as much as digits as its factorization.

165006497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 165006497 is about 12845.4854715577. The cubic root of 165006497 is about 548.4878540959.

The spelling of 165006497 in words is "one hundred sixty-five million, six thousand, four hundred ninety-seven".