165501606 has 32 divisors (see below), whose sum is σ = 346394880. Its totient is φ = 52615904.

The previous prime is 165501599. The next prime is 165501607. The reversal of 165501606 is 606105561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165501607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52141 + ... + 55223.

It is an arithmetic number, because the mean of its divisors is an integer number (10824840).

Almost surely, 2^165501606 is an apocalyptic number.

165501606 is an abundant number, since it is smaller than the sum of its proper divisors (180893274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165501606 is a wasteful number, since it uses less digits than its factorization.

165501606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 165501606 is about 12864.7427490797. The cubic root of 165501606 is about 549.0358933537.

The spelling of 165501606 in words is "one hundred sixty-five million, five hundred one thousand, six hundred six".