326660146 has 4 divisors (see below), whose sum is σ = 489990222. Its totient is φ = 163330072.

The previous prime is 326660069. The next prime is 326660149. The reversal of 326660146 is 641066623.

326660146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 257121225 + 69538921 = 16035^2 + 8339^2 .

It is not an unprimeable number, because it can be changed into a prime (326660149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81665035 + ... + 81665038.

Almost surely, 2^326660146 is an apocalyptic number.

326660146 is a deficient number, since it is larger than the sum of its proper divisors (163330076).

326660146 is a wasteful number, since it uses less digits than its factorization.

326660146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163330075.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 326660146 is about 18073.7418925910. The cubic root of 326660146 is about 688.7031202508.

The spelling of 326660146 in words is "three hundred twenty-six million, six hundred sixty thousand, one hundred forty-six".