16940341541 has 2 divisors, whose sum is σ = 16940341542. Its totient is φ = 16940341540.

The previous prime is 16940341519. The next prime is 16940341549. The reversal of 16940341541 is 14514304961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15563560516 + 1376781025 = 124754^2 + 37105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16940341541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16940341495 and 16940341504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16940341549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8470170770 + 8470170771.

It is an arithmetic number, because the mean of its divisors is an integer number (8470170771).

Almost surely, 2^16940341541 is an apocalyptic number.

It is an amenable number.

16940341541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16940341541 is an equidigital number, since it uses as much as digits as its factorization.

16940341541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 16940341541 in words is "sixteen billion, nine hundred forty million, three hundred forty-one thousand, five hundred forty-one".