403328064161 has 16 divisors (see below), whose sum is σ = 445752151488. Its totient is φ = 361872691200.

The previous prime is 403328064071. The next prime is 403328064173. The reversal of 403328064161 is 161460823304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 403328064161 - 2³⁴ = 386148194977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403328094161) 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, 665921 + ... + 1118081.

It is an arithmetic number, because the mean of its divisors is an integer number (27859509468).

Almost surely, 2^403328064161 is an apocalyptic number.

It is an amenable number.

403328064161 is a deficient number, since it is larger than the sum of its proper divisors (42424087327).

403328064161 is a wasteful number, since it uses less digits than its factorization.

403328064161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453232.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 403328064161 its reverse (161460823304), we get a palindrome (564788887465).

The spelling of 403328064161 in words is "four hundred three billion, three hundred twenty-eight million, sixty-four thousand, one hundred sixty-one".