404464516161 has 4 divisors (see below), whose sum is σ = 539286021552. Its totient is φ = 269643010772.

The previous prime is 404464516121. The next prime is 404464516213. The reversal of 404464516161 is 161615464404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404464516161 - 2¹⁰ = 404464515137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404464516111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67410752691 + ... + 67410752696.

It is an arithmetic number, because the mean of its divisors is an integer number (134821505388).

Almost surely, 2^404464516161 is an apocalyptic number.

It is an amenable number.

404464516161 is a deficient number, since it is larger than the sum of its proper divisors (134821505391).

404464516161 is a wasteful number, since it uses less digits than its factorization.

404464516161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134821505390.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 404464516161 in words is "four hundred four billion, four hundred sixty-four million, five hundred sixteen thousand, one hundred sixty-one".