16381381230 has 24 divisors (see below), whose sum is σ = 42591591432. Its totient is φ = 4368368304.

The previous prime is 16381381229. The next prime is 16381381253. The reversal of 16381381230 is 3218318361.

16381381230 is a `hidden beast` number, since 1 + 638 + 1 + 3 + 8 + 12 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91007584 + ... + 91007763.

It is an arithmetic number, because the mean of its divisors is an integer number (1774649643).

Almost surely, 2^16381381230 is an apocalyptic number.

16381381230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16381381230 is an abundant number, since it is smaller than the sum of its proper divisors (26210210202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16381381230 is a wasteful number, since it uses less digits than its factorization.

16381381230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182015360 (or 182015357 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 16381381230 its reverse (3218318361), we get a palindrome (19599699591).

The spelling of 16381381230 in words is "sixteen billion, three hundred eighty-one million, three hundred eighty-one thousand, two hundred thirty".