16321145410 has 16 divisors (see below), whose sum is σ = 29390381496. Its totient is φ = 6525720448.

The previous prime is 16321145389. The next prime is 16321145431. The reversal of 16321145410 is 1454112361.

It is an interprime number because it is at equal distance from previous prime (16321145389) and next prime (16321145431).

It can be written as a sum of positive squares in 4 ways, for example, as 11213327449 + 5107817961 = 105893^2 + 71469^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317089 + ... + 364948.

Almost surely, 2^16321145410 is an apocalyptic number.

16321145410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16321145410 is a deficient number, since it is larger than the sum of its proper divisors (13069236086).

16321145410 is a wasteful number, since it uses less digits than its factorization.

16321145410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684437.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 16321145410 its reverse (1454112361), we get a palindrome (17775257771).

The spelling of 16321145410 in words is "sixteen billion, three hundred twenty-one million, one hundred forty-five thousand, four hundred ten".