161450030733 has 8 divisors (see below), whose sum is σ = 215834695200. Its totient is φ = 107349360048.

The previous prime is 161450030723. The next prime is 161450030737. The reversal of 161450030733 is 337030054161.

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

It is not a de Polignac number, because 161450030733 - 2⁵ = 161450030701 is a prime.

It is a super-2 number, since 2×161450030733² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161450030694 and 161450030703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161450030737) 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, 70997118 + ... + 70999391.

It is an arithmetic number, because the mean of its divisors is an integer number (26979336900).

Almost surely, 2^161450030733 is an apocalyptic number.

It is an amenable number.

161450030733 is a deficient number, since it is larger than the sum of its proper divisors (54384664467).

161450030733 is a wasteful number, since it uses less digits than its factorization.

161450030733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141996891.

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 161450030733 its reverse (337030054161), we get a palindrome (498480084894).

The spelling of 161450030733 in words is "one hundred sixty-one billion, four hundred fifty million, thirty thousand, seven hundred thirty-three".