16785291140 has 24 divisors (see below), whose sum is σ = 35846556480. Its totient is φ = 6600317408.

The previous prime is 16785291077. The next prime is 16785291143. The reversal of 16785291140 is 4119258761.

It is a junction number, because it is equal to n+sod(n) for n = 16785291091 and 16785291100.

It is not an unprimeable number, because it can be changed into a prime (16785291143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7111232 + ... + 7113591.

It is an arithmetic number, because the mean of its divisors is an integer number (1493606520).

Almost surely, 2^16785291140 is an apocalyptic number.

16785291140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16785291140 is an abundant number, since it is smaller than the sum of its proper divisors (19061265340).

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

16785291140 is a wasteful number, since it uses less digits than its factorization.

16785291140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224891 (or 14224889 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 16785291140 in words is "sixteen billion, seven hundred eighty-five million, two hundred ninety-one thousand, one hundred forty".