2401564533566 has 32 divisors (see below), whose sum is σ = 3949659014400. Its totient is φ = 1086123263680.

The previous prime is 2401564533551. The next prime is 2401564533649. The reversal of 2401564533566 is 6653354651042.

2401564533566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4424345 + ... + 4937403.

It is an arithmetic number, because the mean of its divisors is an integer number (123426844200).

Almost surely, 2^{2401564533566} is an apocalyptic number.

2401564533566 is a deficient number, since it is larger than the sum of its proper divisors (1548094480834).

2401564533566 is a wasteful number, since it uses less digits than its factorization.

2401564533566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514144.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 2401564533566 in words is "two trillion, four hundred one billion, five hundred sixty-four million, five hundred thirty-three thousand, five hundred sixty-six".