16787750140 has 96 divisors (see below), whose sum is σ = 42618885120. Its totient is φ = 5430053376.

The previous prime is 16787750081. The next prime is 16787750183. The reversal of 16787750140 is 4105778761.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199351 + ... + 270769.

It is an arithmetic number, because the mean of its divisors is an integer number (443946720).

Almost surely, 2^16787750140 is an apocalyptic number.

16787750140 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 16787750140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21309442560).

16787750140 is an abundant number, since it is smaller than the sum of its proper divisors (25831134980).

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

16787750140 is a wasteful number, since it uses less digits than its factorization.

16787750140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71531 (or 71529 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 46.

The spelling of 16787750140 in words is "sixteen billion, seven hundred eighty-seven million, seven hundred fifty thousand, one hundred forty".