16083621479 has 2 divisors, whose sum is σ = 16083621480. Its totient is φ = 16083621478.

The previous prime is 16083621439. The next prime is 16083621497. The reversal of 16083621479 is 97412638061.

Together with next prime (16083621497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16083621479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16083621439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8041810739 + 8041810740.

It is an arithmetic number, because the mean of its divisors is an integer number (8041810740).

Almost surely, 2^16083621479 is an apocalyptic number.

16083621479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16083621479 is an equidigital number, since it uses as much as digits as its factorization.

16083621479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 16083621479 in words is "sixteen billion, eighty-three million, six hundred twenty-one thousand, four hundred seventy-nine".