1628500563 has 12 divisors (see below), whose sum is σ = 2366711880. Its totient is φ = 1079005536.

The previous prime is 1628500561. The next prime is 1628500589. The reversal of 1628500563 is 3650058261.

1628500563 is a `hidden beast` number, since 16 + 2 + 85 + 0 + 0 + 563 = 666.

It is not a de Polignac number, because 1628500563 - 2¹ = 1628500561 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1628500561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553578 + ... + 556511.

It is an arithmetic number, because the mean of its divisors is an integer number (197225990).

Almost surely, 2^1628500563 is an apocalyptic number.

1628500563 is a deficient number, since it is larger than the sum of its proper divisors (738211317).

1628500563 is a wasteful number, since it uses less digits than its factorization.

1628500563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110258 (or 1110255 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1628500563 is about 40354.6845236089. The cubic root of 1628500563 is about 1176.5109430284.

The spelling of 1628500563 in words is "one billion, six hundred twenty-eight million, five hundred thousand, five hundred sixty-three".