16493736222720 has 1120 divisors, whose sum is σ = 60929167578048. Its totient is φ = 4266437640192.

The previous prime is 16493736222707. The next prime is 16493736222749. The reversal of 16493736222720 is 2722263739461.

It is a happy number.

16493736222720 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 3 + 7 + 3 + 622 + 2 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17056603677 + ... + 17056604643.

Almost surely, 2^{16493736222720} is an apocalyptic number.

16493736222720 is a gapful number since it is divisible by the number (10) 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 16493736222720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30464583789024).

16493736222720 is an abundant number, since it is smaller than the sum of its proper divisors (44435431355328).

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

16493736222720 is an frugal number, since it uses more digits than its factorization.

16493736222720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 16493736222720 in words is "sixteen trillion, four hundred ninety-three billion, seven hundred thirty-six million, two hundred twenty-two thousand, seven hundred twenty".