641323146 has 16 divisors (see below), whose sum is σ = 1317312864. Its totient is φ = 207996624.

The previous prime is 641323117. The next prime is 641323219.

641323146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×641323146² = 822590755190674632, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1444200 + ... + 1444643.

It is an arithmetic number, because the mean of its divisors is an integer number (82332054).

Almost surely, 2^641323146 is an apocalyptic number.

641323146 is an abundant number, since it is smaller than the sum of its proper divisors (675989718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641323146 is a wasteful number, since it uses less digits than its factorization.

641323146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888885.

The product of its digits is 10368, while the sum is 30.

The square root of 641323146 is about 25324.3587480513. The cubic root of 641323146 is about 862.3673488076.

The spelling of 641323146 in words is "six hundred forty-one million, three hundred twenty-three thousand, one hundred forty-six".