203153161 has 8 divisors (see below), whose sum is σ = 205990400. Its totient is φ = 200322720.

The previous prime is 203153147. The next prime is 203153173. The reversal of 203153161 is 161351302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203153161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203153101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96205 + ... + 98293.

It is an arithmetic number, because the mean of its divisors is an integer number (25748800).

Almost surely, 2^203153161 is an apocalyptic number.

It is an amenable number.

203153161 is a deficient number, since it is larger than the sum of its proper divisors (2837239).

203153161 is a wasteful number, since it uses less digits than its factorization.

203153161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 203153161 is about 14253.1807327347. The cubic root of 203153161 is about 587.8608361872.

The spelling of 203153161 in words is "two hundred three million, one hundred fifty-three thousand, one hundred sixty-one".