165147650 has 24 divisors (see below), whose sum is σ = 315480180. Its totient is φ = 64272960.

The previous prime is 165147637. The next prime is 165147691. The reversal of 165147650 is 56741561.

165147650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 82283041 + 82864609 = 9071^2 + 9103^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165147650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42785 + ... + 46484.

Almost surely, 2^165147650 is an apocalyptic number.

165147650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165147650 is a deficient number, since it is larger than the sum of its proper divisors (150332530).

165147650 is a wasteful number, since it uses less digits than its factorization.

165147650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89318 (or 89313 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 165147650 is about 12850.9785619617. The cubic root of 165147650 is about 548.6442088288.

The spelling of 165147650 in words is "one hundred sixty-five million, one hundred forty-seven thousand, six hundred fifty".