165187052 has 6 divisors (see below), whose sum is σ = 289077348. Its totient is φ = 82593524.

The previous prime is 165187051. The next prime is 165187063. The reversal of 165187052 is 250781561.

It is not an unprimeable number, because it can be changed into a prime (165187051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20648378 + ... + 20648385.

It is an arithmetic number, because the mean of its divisors is an integer number (48179558).

Almost surely, 2^165187052 is an apocalyptic number.

It is an amenable number.

165187052 is a deficient number, since it is larger than the sum of its proper divisors (123890296).

165187052 is a wasteful number, since it uses less digits than its factorization.

165187052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41296767 (or 41296765 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 165187052 is about 12852.5115055385. The cubic root of 165187052 is about 548.6878383933.

The spelling of 165187052 in words is "one hundred sixty-five million, one hundred eighty-seven thousand, fifty-two".