10391894016 has 384 divisors, whose sum is σ = 33286256640. Its totient is φ = 2821718016.

The previous prime is 10391894003. The next prime is 10391894021. The reversal of 10391894016 is 61049819301.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×10391894016² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107132880 + ... + 107132976.

It is an arithmetic number, because the mean of its divisors is an integer number (86682960).

Almost surely, 2^10391894016 is an apocalyptic number.

10391894016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10391894016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16643128320).

10391894016 is an abundant number, since it is smaller than the sum of its proper divisors (22894362624).

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

10391894016 is an equidigital number, since it uses as much as digits as its factorization.

10391894016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 10391894016 in words is "ten billion, three hundred ninety-one million, eight hundred ninety-four thousand, sixteen".