16783050493440 has 4800 divisors, whose sum is σ = 82552914721728. Its totient is φ = 3237284413440.

The previous prime is 16783050493439. The next prime is 16783050493441. The reversal of 16783050493440 is 4439405038761.

16783050493440 is a `hidden beast` number, since 1 + 6 + 7 + 8 + 3 + 0 + 504 + 93 + 4 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (16783050493439) and next prime (16783050493441).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16783050493441) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 229904801244 + ... + 229904801316.

Almost surely, 2^{16783050493440} is an apocalyptic number.

16783050493440 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 16783050493440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41276457360864).

16783050493440 is an abundant number, since it is smaller than the sum of its proper divisors (65769864228288).

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

16783050493440 is an equidigital number, since it uses as much as digits as its factorization.

16783050493440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 16783050493440 in words is "sixteen trillion, seven hundred eighty-three billion, fifty million, four hundred ninety-three thousand, four hundred forty".