1601816982 has 16 divisors (see below), whose sum is σ = 3204032112. Its totient is φ = 533872640.

The previous prime is 1601816981. The next prime is 1601816989. The reversal of 1601816982 is 2896181061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601816981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72598 + ... + 92054.

It is an arithmetic number, because the mean of its divisors is an integer number (200252007).

Almost surely, 2^1601816982 is an apocalyptic number.

1601816982 is an abundant number, since it is smaller than the sum of its proper divisors (1602215130).

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

1601816982 is a wasteful number, since it uses less digits than its factorization.

1601816982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33183.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 1601816982 is about 40022.7058305657. The cubic root of 1601816982 is about 1170.0496684299.

The spelling of 1601816982 in words is "one billion, six hundred one million, eight hundred sixteen thousand, nine hundred eighty-two".