451217161003 has 8 divisors (see below), whose sum is σ = 515761633280. Its totient is φ = 386693908200.

The previous prime is 451217161001. The next prime is 451217161033. The reversal of 451217161003 is 300161712154.

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 451217161003 - 2¹ = 451217161001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451217161001) 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, 5259273 + ... + 5344378.

It is an arithmetic number, because the mean of its divisors is an integer number (64470204160).

Almost surely, 2^451217161003 is an apocalyptic number.

451217161003 is a deficient number, since it is larger than the sum of its proper divisors (64544472277).

451217161003 is a wasteful number, since it uses less digits than its factorization.

451217161003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609737.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 451217161003 its reverse (300161712154), we get a palindrome (751378873157).

The spelling of 451217161003 in words is "four hundred fifty-one billion, two hundred seventeen million, one hundred sixty-one thousand, three".