16278030427 has 2 divisors, whose sum is σ = 16278030428. Its totient is φ = 16278030426.

The previous prime is 16278030403. The next prime is 16278030449. The reversal of 16278030427 is 72403087261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16278030427 - 2⁷ = 16278030299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16278030427.

It is not a weakly prime, because it can be changed into another prime (16278030497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8139015213 + 8139015214.

It is an arithmetic number, because the mean of its divisors is an integer number (8139015214).

Almost surely, 2^16278030427 is an apocalyptic number.

16278030427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16278030427 is an equidigital number, since it uses as much as digits as its factorization.

16278030427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 16278030427 in words is "sixteen billion, two hundred seventy-eight million, thirty thousand, four hundred twenty-seven".