1861568848 has 40 divisors (see below), whose sum is σ = 3885037056. Its totient is φ = 861590400.

The previous prime is 1861568843. The next prime is 1861568851. The reversal of 1861568848 is 8488651681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1861568843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70183 + ... + 92998.

Almost surely, 2^1861568848 is an apocalyptic number.

It is an amenable number.

1861568848 is an abundant number, since it is smaller than the sum of its proper divisors (2023468208).

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

1861568848 is a wasteful number, since it uses less digits than its factorization.

1861568848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163243 (or 163237 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 55.

The square root of 1861568848 is about 43145.9018679642. The cubic root of 1861568848 is about 1230.1546169127.

The spelling of 1861568848 in words is "one billion, eight hundred sixty-one million, five hundred sixty-eight thousand, eight hundred forty-eight".