1563474660 has 96 divisors (see below), whose sum is σ = 5027097600. Its totient is φ = 359072640.

The previous prime is 1563474643. The next prime is 1563474697. The reversal of 1563474660 is 664743651.

1563474660 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49800 + ... + 74879.

It is an arithmetic number, because the mean of its divisors is an integer number (52365600).

Almost surely, 2^1563474660 is an apocalyptic number.

1563474660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1563474660 is an abundant number, since it is smaller than the sum of its proper divisors (3463622940).

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

1563474660 is a wasteful number, since it uses less digits than its factorization.

1563474660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124721 (or 124719 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 1563474660 is about 39540.7974122930. The cubic root of 1563474660 is about 1160.6384367040.

The spelling of 1563474660 in words is "one billion, five hundred sixty-three million, four hundred seventy-four thousand, six hundred sixty".