1563146466 has 32 divisors (see below), whose sum is σ = 3581681280. Its totient is φ = 445516416.

The previous prime is 1563146461. The next prime is 1563146467. The reversal of 1563146466 is 6646413651.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1563146461) 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 15 ways as a sum of consecutive naturals, for example, 28321 + ... + 62676.

It is an arithmetic number, because the mean of its divisors is an integer number (111927540).

Almost surely, 2^1563146466 is an apocalyptic number.

1563146466 is an abundant number, since it is smaller than the sum of its proper divisors (2018534814).

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

1563146466 is a wasteful number, since it uses less digits than its factorization.

1563146466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91418.

The product of its digits is 311040, while the sum is 42.

The square root of 1563146466 is about 39536.6471264320. The cubic root of 1563146466 is about 1160.5572199038.

The spelling of 1563146466 in words is "one billion, five hundred sixty-three million, one hundred forty-six thousand, four hundred sixty-six".