16381310415 has 48 divisors (see below), whose sum is σ = 27933826848. Its totient is φ = 8195825664.

The previous prime is 16381310357. The next prime is 16381310423. The reversal of 16381310415 is 51401318361.

It is not a de Polignac number, because 16381310415 - 2⁷ = 16381310287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1350819 + ... + 1362891.

It is an arithmetic number, because the mean of its divisors is an integer number (581954726).

Almost surely, 2^16381310415 is an apocalyptic number.

16381310415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16381310415 is a deficient number, since it is larger than the sum of its proper divisors (11552516433).

16381310415 is a wasteful number, since it uses less digits than its factorization.

16381310415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12428 (or 12411 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 16381310415 its reverse (51401318361), we get a palindrome (67782628776).

The spelling of 16381310415 in words is "sixteen billion, three hundred eighty-one million, three hundred ten thousand, four hundred fifteen".