153206161 has 4 divisors (see below), whose sum is σ = 153331252. Its totient is φ = 153081072.

The previous prime is 153206147. The next prime is 153206167. The reversal of 153206161 is 161602351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118396161 + 34810000 = 10881^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 153206161 - 2¹⁹ = 152681873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153206167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60690 + ... + 63163.

It is an arithmetic number, because the mean of its divisors is an integer number (38332813).

Almost surely, 2^153206161 is an apocalyptic number.

It is an amenable number.

153206161 is a deficient number, since it is larger than the sum of its proper divisors (125091).

153206161 is a wasteful number, since it uses less digits than its factorization.

153206161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125090.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 153206161 is about 12377.6476359606. The cubic root of 153206161 is about 535.0882446804.

The spelling of 153206161 in words is "one hundred fifty-three million, two hundred six thousand, one hundred sixty-one".