1601350018 has 8 divisors (see below), whose sum is σ = 2402426880. Its totient is φ = 800541060.

The previous prime is 1601350013. The next prime is 1601350027. The reversal of 1601350018 is 8100531061.

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

It is a junction number, because it is equal to n+sod(n) for n = 1601349974 and 1601350001.

It is not an unprimeable number, because it can be changed into a prime (1601350013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51298 + ... + 76381.

It is an arithmetic number, because the mean of its divisors is an integer number (300303360).

Almost surely, 2^1601350018 is an apocalyptic number.

1601350018 is a deficient number, since it is larger than the sum of its proper divisors (801076862).

1601350018 is a wasteful number, since it uses less digits than its factorization.

1601350018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133952.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1601350018 is about 40016.8716668357. The cubic root of 1601350018 is about 1169.9359591899.

Adding to 1601350018 its reverse (8100531061), we get a palindrome (9701881079).

The spelling of 1601350018 in words is "one billion, six hundred one million, three hundred fifty thousand, eighteen".