1863368256 has 28 divisors (see below), whose sum is σ = 4930162352. Its totient is φ = 621122688.

The previous prime is 1863368231. The next prime is 1863368261. The reversal of 1863368256 is 6528633681.

It is a super-3 number, since 3×1863368256³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 4852330 + ... + 4852713.

Almost surely, 2^1863368256 is an apocalyptic number.

1863368256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1863368256 is an abundant number, since it is smaller than the sum of its proper divisors (3066794096).

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

1863368256 is an equidigital number, since it uses as much as digits as its factorization.

1863368256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705058 (or 9705048 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 1863368256 is about 43166.7494259181. The cubic root of 1863368256 is about 1230.5508485163.

The spelling of 1863368256 in words is "one billion, eight hundred sixty-three million, three hundred sixty-eight thousand, two hundred fifty-six".