16076660381 has 2 divisors, whose sum is σ = 16076660382. Its totient is φ = 16076660380.

The previous prime is 16076660363. The next prime is 16076660423. The reversal of 16076660381 is 18306667061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12797265625 + 3279394756 = 113125^2 + 57266^2 .

It is an emirp because it is prime and its reverse (18306667061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16076660381 is a prime.

It is a super-2 number, since 2×16076660381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16076660311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8038330190 + 8038330191.

It is an arithmetic number, because the mean of its divisors is an integer number (8038330191).

Almost surely, 2^16076660381 is an apocalyptic number.

It is an amenable number.

16076660381 is a deficient number, since it is larger than the sum of its proper divisors (1).

16076660381 is an equidigital number, since it uses as much as digits as its factorization.

16076660381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 16076660381 in words is "sixteen billion, seventy-six million, six hundred sixty thousand, three hundred eighty-one".