16451593023816 has 96 divisors (see below), whose sum is σ = 44976908340000. Its totient is φ = 5432284956672.

The previous prime is 16451593023809. The next prime is 16451593023857. The reversal of 16451593023816 is 61832039515461.

16451593023816 is a `hidden beast` number, since 1 + 6 + 4 + 5 + 1 + 593 + 0 + 2 + 38 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2663031 + ... + 6324153.

It is an arithmetic number, because the mean of its divisors is an integer number (468509461875).

Almost surely, 2^{16451593023816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16451593023816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22488454170000).

16451593023816 is an abundant number, since it is smaller than the sum of its proper divisors (28525315316184).

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

16451593023816 is a wasteful number, since it uses less digits than its factorization.

16451593023816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661723 (or 3661716 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 16451593023816 in words is "sixteen trillion, four hundred fifty-one billion, five hundred ninety-three million, twenty-three thousand, eight hundred sixteen".