16241431601 has 4 divisors (see below), whose sum is σ = 16241764452. Its totient is φ = 16241098752.

The previous prime is 16241431589. The next prime is 16241431603. The reversal of 16241431601 is 10613414261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10613414261 = 71453 ⋅148537.

It can be written as a sum of positive squares in 2 ways, for example, as 9964830976 + 6276600625 = 99824^2 + 79225^2 .

It is a cyclic number.

It is not a de Polignac number, because 16241431601 - 2¹⁰ = 16241430577 is a prime.

It is a super-2 number, since 2×16241431601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16241431603) 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, 77336 + ... + 196121.

It is an arithmetic number, because the mean of its divisors is an integer number (4060441113).

Almost surely, 2^16241431601 is an apocalyptic number.

It is an amenable number.

16241431601 is a deficient number, since it is larger than the sum of its proper divisors (332851).

16241431601 is an equidigital number, since it uses as much as digits as its factorization.

16241431601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332850.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 16241431601 its reverse (10613414261), we get a palindrome (26854845862).

The spelling of 16241431601 in words is "sixteen billion, two hundred forty-one million, four hundred thirty-one thousand, six hundred one".