1861842096 has 60 divisors (see below), whose sum is σ = 5288369112. Its totient is φ = 611347968.

The previous prime is 1861842077. The next prime is 1861842131. The reversal of 1861842096 is 6902481681.

1861842096 is a `hidden beast` number, since 1 + 8 + 618 + 4 + 20 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86841 + ... + 106136.

Almost surely, 2^1861842096 is an apocalyptic number.

1861842096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1861842096 is an abundant number, since it is smaller than the sum of its proper divisors (3426527016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1861842096 is a wasteful number, since it uses less digits than its factorization.

1861842096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193058 (or 193049 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1861842096 is about 43149.0683097561. The cubic root of 1861842096 is about 1230.2148028582.

The spelling of 1861842096 in words is "one billion, eight hundred sixty-one million, eight hundred forty-two thousand, ninety-six".