1863656052 has 24 divisors (see below), whose sum is σ = 4537598016. Its totient is φ = 594209088.

The previous prime is 1863656033. The next prime is 1863656063. The reversal of 1863656052 is 2506563681.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1863655995 and 1863656013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375913 + ... + 3376464.

It is an arithmetic number, because the mean of its divisors is an integer number (189066584).

Almost surely, 2^1863656052 is an apocalyptic number.

1863656052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1863656052 is an abundant number, since it is smaller than the sum of its proper divisors (2673941964).

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

1863656052 is a wasteful number, since it uses less digits than its factorization.

1863656052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752407 (or 6752405 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 1863656052 is about 43170.0828352228. The cubic root of 1863656052 is about 1230.6141978444.

The spelling of 1863656052 in words is "one billion, eight hundred sixty-three million, six hundred fifty-six thousand, fifty-two".