401342161 has 8 divisors (see below), whose sum is σ = 438075648. Its totient is φ = 364650000.

The previous prime is 401342147. The next prime is 401342237. The reversal of 401342161 is 161243104.

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

It is not a de Polignac number, because 401342161 - 2¹⁷ = 401211089 is a prime.

It is a super-2 number, since 2×401342161² = 322151060392299842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401342561) 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, 12111 + ... + 30811.

It is an arithmetic number, because the mean of its divisors is an integer number (54759456).

Almost surely, 2^401342161 is an apocalyptic number.

It is an amenable number.

401342161 is a deficient number, since it is larger than the sum of its proper divisors (36733487).

401342161 is a wasteful number, since it uses less digits than its factorization.

401342161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 401342161 is about 20033.5259253083. The cubic root of 401342161 is about 737.6294736202.

Adding to 401342161 its reverse (161243104), we get a palindrome (562585265).

The spelling of 401342161 in words is "four hundred one million, three hundred forty-two thousand, one hundred sixty-one".