1863890058256 has 20 divisors (see below), whose sum is σ = 3611309432832. Its totient is φ = 931939236896.

The previous prime is 1863890058253. The next prime is 1863890058287. The reversal of 1863890058256 is 6528500983681.

It is a happy number.

It is a super-2 number, since 2×1863890058256² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1863890058194 and 1863890058203.

It is not an unprimeable number, because it can be changed into a prime (1863890058253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3620145 + ... + 4102831.

Almost surely, 2^{1863890058256} is an apocalyptic number.

1863890058256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1863890058256 is a deficient number, since it is larger than the sum of its proper divisors (1747419374576).

1863890058256 is a wasteful number, since it uses less digits than its factorization.

1863890058256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724038 (or 724032 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 61.

The spelling of 1863890058256 in words is "one trillion, eight hundred sixty-three billion, eight hundred ninety million, fifty-eight thousand, two hundred fifty-six".