165350660 has 12 divisors (see below), whose sum is σ = 347236428. Its totient is φ = 66140256.

The previous prime is 165350651. The next prime is 165350671. The reversal of 165350660 is 66053561.

It can be written as a sum of positive squares in 2 ways, for example, as 88472836 + 76877824 = 9406^2 + 8768^2 .

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, 4133747 + ... + 4133786.

It is an arithmetic number, because the mean of its divisors is an integer number (28936369).

Almost surely, 2^165350660 is an apocalyptic number.

165350660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165350660 is an abundant number, since it is smaller than the sum of its proper divisors (181885768).

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

165350660 is a wasteful number, since it uses less digits than its factorization.

165350660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267542 (or 8267540 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 165350660 is about 12858.8747563696. The cubic root of 165350660 is about 548.8689262325.

The spelling of 165350660 in words is "one hundred sixty-five million, three hundred fifty thousand, six hundred sixty".