1563790536 has 384 divisors, whose sum is σ = 5669314560. Its totient is φ = 391910400.

The previous prime is 1563790523. The next prime is 1563790559. The reversal of 1563790536 is 6350973651.

1563790536 is a `hidden beast` number, since 1 + 5 + 637 + 9 + 0 + 5 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1563790491 and 1563790500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4640160 + ... + 4640496.

It is an arithmetic number, because the mean of its divisors is an integer number (14763840).

Almost surely, 2^1563790536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563790536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2834657280).

1563790536 is an abundant number, since it is smaller than the sum of its proper divisors (4105524024).

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

1563790536 is a wasteful number, since it uses less digits than its factorization.

1563790536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 1563790536 is about 39544.7915154449. The cubic root of 1563790536 is about 1160.7165944871.

The spelling of 1563790536 in words is "one billion, five hundred sixty-three million, seven hundred ninety thousand, five hundred thirty-six".