10209646816 has 48 divisors (see below), whose sum is σ = 21028714560. Its totient is φ = 4874321920.

The previous prime is 10209646787. The next prime is 10209646829. The reversal of 10209646816 is 61864690201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21121 + ... + 144448.

It is an arithmetic number, because the mean of its divisors is an integer number (438098220).

Almost surely, 2^10209646816 is an apocalyptic number.

10209646816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10209646816 is an abundant number, since it is smaller than the sum of its proper divisors (10819067744).

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

10209646816 is a wasteful number, since it uses less digits than its factorization.

10209646816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165667 (or 165659 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 10209646816 in words is "ten billion, two hundred nine million, six hundred forty-six thousand, eight hundred sixteen".