1863656334 has 12 divisors (see below), whose sum is σ = 4037922096. Its totient is φ = 621218772.

The previous prime is 1863656329. The next prime is 1863656371. The reversal of 1863656334 is 4336563681.

1863656334 is a `hidden beast` number, since 1 + 8 + 6 + 3 + 6 + 5 + 633 + 4 = 666.

1863656334 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1863656334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51768214 + ... + 51768249.

It is an arithmetic number, because the mean of its divisors is an integer number (336493508).

Almost surely, 2^1863656334 is an apocalyptic number.

1863656334 is an abundant number, since it is smaller than the sum of its proper divisors (2174265762).

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

1863656334 is a wasteful number, since it uses less digits than its factorization.

1863656334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103536471 (or 103536468 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 1863656334 is about 43170.0861013735. The cubic root of 1863656334 is about 1230.6142599147.

The spelling of 1863656334 in words is "one billion, eight hundred sixty-three million, six hundred fifty-six thousand, three hundred thirty-four".