404564161071 has 16 divisors (see below), whose sum is σ = 616487632128. Its totient is φ = 231176179200.

The previous prime is 404564161069. The next prime is 404564161073. The reversal of 404564161071 is 170161465404.

It is an interprime number because it is at equal distance from previous prime (404564161069) and next prime (404564161073).

It is not a de Polignac number, because 404564161071 - 2¹ = 404564161069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404564161073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619676 + ... + 2769806.

It is an arithmetic number, because the mean of its divisors is an integer number (38530477008).

Almost surely, 2^404564161071 is an apocalyptic number.

404564161071 is a deficient number, since it is larger than the sum of its proper divisors (211923471057).

404564161071 is a wasteful number, since it uses less digits than its factorization.

404564161071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278462.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 404564161071 in words is "four hundred four billion, five hundred sixty-four million, one hundred sixty-one thousand, seventy-one".