161103356417 has 8 divisors (see below), whose sum is σ = 164357371680. Its totient is φ = 157866789600.

The previous prime is 161103356387. The next prime is 161103356431. The reversal of 161103356417 is 714653301161.

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 161103356417 - 2²⁴ = 161086579201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161103356317) 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, 4343459 + ... + 4380392.

It is an arithmetic number, because the mean of its divisors is an integer number (20544671460).

Almost surely, 2^161103356417 is an apocalyptic number.

It is an amenable number.

161103356417 is a deficient number, since it is larger than the sum of its proper divisors (3254015263).

161103356417 is an equidigital number, since it uses as much as digits as its factorization.

161103356417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724223.

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 161103356417 its reverse (714653301161), we get a palindrome (875756657578).

The spelling of 161103356417 in words is "one hundred sixty-one billion, one hundred three million, three hundred fifty-six thousand, four hundred seventeen".