161427103 has 2 divisors, whose sum is σ = 161427104. Its totient is φ = 161427102.

The previous prime is 161427083. The next prime is 161427113. The reversal of 161427103 is 301724161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161427103 - 2¹³ = 161418911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161427113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80713551 + 80713552.

It is an arithmetic number, because the mean of its divisors is an integer number (80713552).

Almost surely, 2^161427103 is an apocalyptic number.

161427103 is a deficient number, since it is larger than the sum of its proper divisors (1).

161427103 is an equidigital number, since it uses as much as digits as its factorization.

161427103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 161427103 is about 12705.3966093153. The cubic root of 161427103 is about 544.4928121020.

The spelling of 161427103 in words is "one hundred sixty-one million, four hundred twenty-seven thousand, one hundred three".