401033165 has 32 divisors (see below), whose sum is σ = 529105920. Its totient is φ = 290013696.

The previous prime is 401033147. The next prime is 401033167. The reversal of 401033165 is 561330104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 401033165 - 2¹⁶ = 400967629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401033165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401033167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1057946 + ... + 1058324.

It is an arithmetic number, because the mean of its divisors is an integer number (16534560).

Almost surely, 2^401033165 is an apocalyptic number.

It is an amenable number.

401033165 is a deficient number, since it is larger than the sum of its proper divisors (128072755).

401033165 is a wasteful number, since it uses less digits than its factorization.

401033165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 401033165 is about 20025.8124679125. The cubic root of 401033165 is about 737.4401230714.

Adding to 401033165 its reverse (561330104), we get a palindrome (962363269).

The spelling of 401033165 in words is "four hundred one million, thirty-three thousand, one hundred sixty-five".