401710164 has 12 divisors (see below), whose sum is σ = 937323744. Its totient is φ = 133903384.

The previous prime is 401710163. The next prime is 401710219. The reversal of 401710164 is 461017104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401710164² = 322742111721813792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401710163) 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, 16737912 + ... + 16737935.

It is an arithmetic number, because the mean of its divisors is an integer number (78110312).

Almost surely, 2^401710164 is an apocalyptic number.

It is an amenable number.

401710164 is an abundant number, since it is smaller than the sum of its proper divisors (535613580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401710164 is a wasteful number, since it uses less digits than its factorization.

401710164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33475854 (or 33475852 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 401710164 is about 20042.7084996015. The cubic root of 401710164 is about 737.8548564821.

Adding to 401710164 its reverse (461017104), we get a palindrome (862727268).

The spelling of 401710164 in words is "four hundred one million, seven hundred ten thousand, one hundred sixty-four".