165146516 has 12 divisors (see below), whose sum is σ = 294459732. Its totient is φ = 81015168.

The previous prime is 165146507. The next prime is 165146521. The reversal of 165146516 is 615641561.

It can be written as a sum of positive squares in 2 ways, for example, as 60902416 + 104244100 = 7804^2 + 10210^2 .

It is a congruent number.

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, 389285 + ... + 389708.

It is an arithmetic number, because the mean of its divisors is an integer number (24538311).

Almost surely, 2^165146516 is an apocalyptic number.

It is an amenable number.

165146516 is a deficient number, since it is larger than the sum of its proper divisors (129313216).

165146516 is a wasteful number, since it uses less digits than its factorization.

165146516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779050 (or 779048 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 165146516 is about 12850.9344407323. The cubic root of 165146516 is about 548.6429530557.

The spelling of 165146516 in words is "one hundred sixty-five million, one hundred forty-six thousand, five hundred sixteen".