16821352460910 has 64 divisors (see below), whose sum is σ = 42746842670400. Its totient is φ = 4221748887552.

The previous prime is 16821352460909. The next prime is 16821352460953. The reversal of 16821352460910 is 1906425312861.

It is a super-2 number, since 2×16821352460910² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16821352460910.

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, 29053126 + ... + 29626454.

It is an arithmetic number, because the mean of its divisors is an integer number (667919416725).

Almost surely, 2^{16821352460910} is an apocalyptic number.

16821352460910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16821352460910 is an abundant number, since it is smaller than the sum of its proper divisors (25925490209490).

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

16821352460910 is a wasteful number, since it uses less digits than its factorization.

16821352460910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630885.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 16821352460910 in words is "sixteen trillion, eight hundred twenty-one billion, three hundred fifty-two million, four hundred sixty thousand, nine hundred ten".