1641841982 has 48 divisors (see below), whose sum is σ = 2854758816. Its totient is φ = 706252800.

The previous prime is 1641841973. The next prime is 1641841991. The reversal of 1641841982 is 2891481461.

It is an interprime number because it is at equal distance from previous prime (1641841973) and next prime (1641841991).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538382 + ... + 541422.

It is an arithmetic number, because the mean of its divisors is an integer number (59474142).

Almost surely, 2^1641841982 is an apocalyptic number.

1641841982 is a deficient number, since it is larger than the sum of its proper divisors (1212916834).

1641841982 is a wasteful number, since it uses less digits than its factorization.

1641841982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185 (or 3174 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 1641841982 is about 40519.6493321450. The cubic root of 1641841982 is about 1179.7150470606.

The spelling of 1641841982 in words is "one billion, six hundred forty-one million, eight hundred forty-one thousand, nine hundred eighty-two".