1830986216 has 16 divisors (see below), whose sum is σ = 3434256900. Its totient is φ = 915184384.

The previous prime is 1830986197. The next prime is 1830986221. The reversal of 1830986216 is 6126890381.

It can be written as a sum of positive squares in 2 ways, for example, as 1830984100 + 2116 = 42790^2 + 46^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12335 + ... + 61758.

Almost surely, 2^1830986216 is an apocalyptic number.

It is an amenable number.

1830986216 is a deficient number, since it is larger than the sum of its proper divisors (1603270684).

1830986216 is a wasteful number, since it uses less digits than its factorization.

1830986216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77188 (or 77184 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1830986216 is about 42790.0247253960. The cubic root of 1830986216 is about 1223.3808882183.

The spelling of 1830986216 in words is "one billion, eight hundred thirty million, nine hundred eighty-six thousand, two hundred sixteen".