165152612 has 6 divisors (see below), whose sum is σ = 289017078. Its totient is φ = 82576304.

The previous prime is 165152599. The next prime is 165152629. The reversal of 165152612 is 216251561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113081956 + 52070656 = 10634^2 + 7216^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20644073 + ... + 20644080.

It is an arithmetic number, because the mean of its divisors is an integer number (48169513).

Almost surely, 2^165152612 is an apocalyptic number.

It is an amenable number.

165152612 is a deficient number, since it is larger than the sum of its proper divisors (123864466).

165152612 is a wasteful number, since it uses less digits than its factorization.

165152612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41288157 (or 41288155 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 165152612 is about 12851.1716197396. The cubic root of 165152612 is about 548.6497035993.

The spelling of 165152612 in words is "one hundred sixty-five million, one hundred fifty-two thousand, six hundred twelve".