153973161 has 12 divisors (see below), whose sum is σ = 222523392. Its totient is φ = 102594456.

The previous prime is 153973159. The next prime is 153973177. The reversal of 153973161 is 161379351.

153973161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 153973161 - 2¹ = 153973159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153973111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21000 + ... + 27366.

It is an arithmetic number, because the mean of its divisors is an integer number (18543616).

Almost surely, 2^153973161 is an apocalyptic number.

It is an amenable number.

153973161 is a deficient number, since it is larger than the sum of its proper divisors (68550231).

153973161 is a wasteful number, since it uses less digits than its factorization.

153973161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060 (or 9057 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 153973161 is about 12408.5922247449. The cubic root of 153973161 is about 535.9797007702.

The spelling of 153973161 in words is "one hundred fifty-three million, nine hundred seventy-three thousand, one hundred sixty-one".