326631016 has 16 divisors (see below), whose sum is σ = 616905540. Its totient is φ = 162122880.

The previous prime is 326631007. The next prime is 326631017. The reversal of 326631016 is 610136623.

It can be written as a sum of positive squares in 2 ways, for example, as 322346116 + 4284900 = 17954^2 + 2070^2 .

It is a super-2 number, since 2×326631016² = 213375641226384512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (326631017) 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 3 ways as a sum of consecutive naturals, for example, 147915 + ... + 150106.

Almost surely, 2^326631016 is an apocalyptic number.

It is an amenable number.

326631016 is a deficient number, since it is larger than the sum of its proper divisors (290274524).

326631016 is a wasteful number, since it uses less digits than its factorization.

326631016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298164 (or 298160 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 326631016 is about 18072.9360094037. The cubic root of 326631016 is about 688.6826478848.

Adding to 326631016 its reverse (610136623), we get a palindrome (936767639).

The spelling of 326631016 in words is "three hundred twenty-six million, six hundred thirty-one thousand, sixteen".