1806495916 has 24 divisors (see below), whose sum is σ = 3240510336. Its totient is φ = 880663680.

The previous prime is 1806495883. The next prime is 1806495949. The reversal of 1806495916 is 6195946081.

It is an interprime number because it is at equal distance from previous prime (1806495883) and next prime (1806495949).

It is a self number, because there is not a number n which added to its sum of digits gives 1806495916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404005 + ... + 408451.

It is an arithmetic number, because the mean of its divisors is an integer number (135021264).

Almost surely, 2^1806495916 is an apocalyptic number.

It is an amenable number.

1806495916 is a deficient number, since it is larger than the sum of its proper divisors (1434014420).

1806495916 is a wasteful number, since it uses less digits than its factorization.

1806495916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 1806495916 is about 42502.8930309456. The cubic root of 1806495916 is about 1217.9019561702.

The spelling of 1806495916 in words is "one billion, eight hundred six million, four hundred ninety-five thousand, nine hundred sixteen".