1604087516563 has 8 divisors (see below), whose sum is σ = 1872248044032. Its totient is φ = 1345678281096.

The previous prime is 1604087516561. The next prime is 1604087516617. The reversal of 1604087516563 is 3656157804061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1604087516563 - 2¹ = 1604087516561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1604087516563.

It is not an unprimeable number, because it can be changed into a prime (1604087516561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437822645 + ... + 2437823302.

It is an arithmetic number, because the mean of its divisors is an integer number (234031005504).

Almost surely, 2^{1604087516563} is an apocalyptic number.

1604087516563 is a deficient number, since it is larger than the sum of its proper divisors (268160527469).

1604087516563 is an equidigital number, since it uses as much as digits as its factorization.

1604087516563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875646001.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1604087516563 in words is "one trillion, six hundred four billion, eighty-seven million, five hundred sixteen thousand, five hundred sixty-three".