161350003 has 8 divisors (see below), whose sum is σ = 163969488. Its totient is φ = 158736864.

The previous prime is 161350001. The next prime is 161350019. The reversal of 161350003 is 300053161.

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

It is a cyclic number.

It is not a de Polignac number, because 161350003 - 2¹ = 161350001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161350001) 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 7 ways as a sum of consecutive naturals, for example, 99225 + ... + 100837.

It is an arithmetic number, because the mean of its divisors is an integer number (20496186).

Almost surely, 2^161350003 is an apocalyptic number.

161350003 is a deficient number, since it is larger than the sum of its proper divisors (2619485).

161350003 is a wasteful number, since it uses less digits than its factorization.

161350003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 161350003 is about 12702.3621031681. The cubic root of 161350003 is about 544.4061123259.

The spelling of 161350003 in words is "one hundred sixty-one million, three hundred fifty thousand, three".