16731234340 has 12 divisors (see below), whose sum is σ = 35135592156. Its totient is φ = 6692493728.

The previous prime is 16731234319. The next prime is 16731234341. The reversal of 16731234340 is 4343213761.

It can be written as a sum of positive squares in 2 ways, for example, as 8162399716 + 8568834624 = 90346^2 + 92568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16731234296 and 16731234305.

It is not an unprimeable number, because it can be changed into a prime (16731234341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418280839 + ... + 418280878.

It is an arithmetic number, because the mean of its divisors is an integer number (2927966013).

Almost surely, 2^16731234340 is an apocalyptic number.

16731234340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16731234340 is an abundant number, since it is smaller than the sum of its proper divisors (18404357816).

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

16731234340 is a wasteful number, since it uses less digits than its factorization.

16731234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836561726 (or 836561724 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 16731234340 in words is "sixteen billion, seven hundred thirty-one million, two hundred thirty-four thousand, three hundred forty".