10381616 has 20 divisors (see below), whose sum is σ = 22988112. Its totient is φ = 4449216.

The previous prime is 10381607. The next prime is 10381661. The reversal of 10381616 is 61618301.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46235 + ... + 46458.

Almost surely, 2^10381616 is an apocalyptic number.

10381616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10381616 is an abundant number, since it is smaller than the sum of its proper divisors (12606496).

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

10381616 is an equidigital number, since it uses as much as digits as its factorization.

10381616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92708 (or 92702 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10381616 is about 3222.0515203826. The cubic root of 10381616 is about 218.1498842993.

Adding to 10381616 its reverse (61618301), we get a palindrome (71999917).

The spelling of 10381616 in words is "ten million, three hundred eighty-one thousand, six hundred sixteen".