1641599982 has 36 divisors (see below), whose sum is σ = 3909545640. Its totient is φ = 497453880.

The previous prime is 1641599959. The next prime is 1641600001. The reversal of 1641599982 is 2899951461.

1641599982 is a `hidden beast` number, since 1 + 6 + 41 + 599 + 9 + 8 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 374682 + ... + 379037.

It is an arithmetic number, because the mean of its divisors is an integer number (108598490).

Almost surely, 2^1641599982 is an apocalyptic number.

1641599982 is an abundant number, since it is smaller than the sum of its proper divisors (2267945658).

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

1641599982 is a wasteful number, since it uses less digits than its factorization.

1641599982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753749 (or 753735 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 1641599982 is about 40516.6630165911. The cubic root of 1641599982 is about 1179.6570826783.

The spelling of 1641599982 in words is "one billion, six hundred forty-one million, five hundred ninety-nine thousand, nine hundred eighty-two".