165146629 has 2 divisors, whose sum is σ = 165146630. Its totient is φ = 165146628.

The previous prime is 165146627. The next prime is 165146711. The reversal of 165146629 is 926641561.

It is a happy number.

165146629 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., 122544900 + 42601729 = 11070^2 + 6527^2 .

It is an emirp because it is prime and its reverse (926641561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165146629 - 2¹ = 165146627 is a prime.

Together with 165146627, it forms a pair of twin primes.

It is equal to p_9246694 and since 165146629 and 9246694 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 165146591 and 165146600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165146621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82573314 + 82573315.

It is an arithmetic number, because the mean of its divisors is an integer number (82573315).

Almost surely, 2^165146629 is an apocalyptic number.

It is an amenable number.

165146629 is a deficient number, since it is larger than the sum of its proper divisors (1).

165146629 is an equidigital number, since it uses as much as digits as its factorization.

165146629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 165146629 is about 12850.9388372990. The cubic root of 165146629 is about 548.6430781903.

The spelling of 165146629 in words is "one hundred sixty-five million, one hundred forty-six thousand, six hundred twenty-nine".