165000562 has 8 divisors (see below), whose sum is σ = 247570092. Its totient is φ = 82477200.

The previous prime is 165000553. The next prime is 165000593. The reversal of 165000562 is 265000561.

It can be written as a sum of positive squares in 2 ways, for example, as 164378041 + 622521 = 12821^2 + 789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 18172.

Almost surely, 2^165000562 is an apocalyptic number.

165000562 is a deficient number, since it is larger than the sum of its proper divisors (82569530).

165000562 is a wasteful number, since it uses less digits than its factorization.

165000562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 165000562 is about 12845.2544544668. The cubic root of 165000562 is about 548.4812779620.

Subtracting 165000562 from its reverse (265000561), we obtain a palindrome (99999999).

The spelling of 165000562 in words is "one hundred sixty-five million, five hundred sixty-two", and thus it is an aban number.