16313265858816 has 432 divisors, whose sum is σ = 51672804019200. Its totient is φ = 5115277246464.

The previous prime is 16313265858797. The next prime is 16313265858823. The reversal of 16313265858816 is 61885856231361.

16313265858816 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 32 + 6 + 5 + 8 + 588 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×16313265858816² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3922398945 + ... + 3922403103.

Almost surely, 2^{16313265858816} is an apocalyptic number.

16313265858816 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 16313265858816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25836402009600).

16313265858816 is an abundant number, since it is smaller than the sum of its proper divisors (35359538160384).

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

16313265858816 is an equidigital number, since it uses as much as digits as its factorization.

16313265858816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7890 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 16313265858816 in words is "sixteen trillion, three hundred thirteen billion, two hundred sixty-five million, eight hundred fifty-eight thousand, eight hundred sixteen".