1641941268 has 48 divisors (see below), whose sum is σ = 4281439680. Its totient is φ = 485420800.

The previous prime is 1641941261. The next prime is 1641941281. The reversal of 1641941268 is 8621491461.

It is a super-2 number, since 2×1641941268² = 5391942255122895648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641941261) 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 in 15 ways as a sum of consecutive naturals, for example, 146283 + ... + 157106.

It is an arithmetic number, because the mean of its divisors is an integer number (89196660).

Almost surely, 2^1641941268 is an apocalyptic number.

It is an amenable number.

1641941268 is an abundant number, since it is smaller than the sum of its proper divisors (2639498412).

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

1641941268 is a wasteful number, since it uses less digits than its factorization.

1641941268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303448 (or 303446 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1641941268 is about 40520.8744723013. The cubic root of 1641941268 is about 1179.7388266181.

The spelling of 1641941268 in words is "one billion, six hundred forty-one million, nine hundred forty-one thousand, two hundred sixty-eight".