1816472107 has 2 divisors, whose sum is σ = 1816472108. Its totient is φ = 1816472106.

The previous prime is 1816472071. The next prime is 1816472113. The reversal of 1816472107 is 7012746181.

Together with previous prime (1816472071) 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 not a de Polignac number, because 1816472107 - 2¹¹ = 1816470059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1816472137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908236053 + 908236054.

It is an arithmetic number, because the mean of its divisors is an integer number (908236054).

Almost surely, 2^1816472107 is an apocalyptic number.

1816472107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1816472107 is an equidigital number, since it uses as much as digits as its factorization.

1816472107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1816472107 is about 42620.0904152021. The cubic root of 1816472107 is about 1220.1397553327.

The spelling of 1816472107 in words is "one billion, eight hundred sixteen million, four hundred seventy-two thousand, one hundred seven".