401648163 has 16 divisors (see below), whose sum is σ = 644248320. Its totient is φ = 217433376.

The previous prime is 401648161. The next prime is 401648167. The reversal of 401648163 is 361846104.

It is not a de Polignac number, because 401648163 - 2¹ = 401648161 is a prime.

It is a super-2 number, since 2×401648163² = 322642493682549138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401648161) 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, 502920 + ... + 503717.

It is an arithmetic number, because the mean of its divisors is an integer number (40265520).

Almost surely, 2^401648163 is an apocalyptic number.

401648163 is a deficient number, since it is larger than the sum of its proper divisors (242600157).

401648163 is a wasteful number, since it uses less digits than its factorization.

401648163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006666.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 401648163 is about 20041.1617178246. The cubic root of 401648163 is about 737.8168937112.

The spelling of 401648163 in words is "four hundred one million, six hundred forty-eight thousand, one hundred sixty-three".