1601819016 has 192 divisors, whose sum is σ = 5193201600. Its totient is φ = 407973888.

The previous prime is 1601819003. The next prime is 1601819039. The reversal of 1601819016 is 6109181061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377740 + ... + 381956.

It is an arithmetic number, because the mean of its divisors is an integer number (27047925).

Almost surely, 2^1601819016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601819016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596600800).

1601819016 is an abundant number, since it is smaller than the sum of its proper divisors (3591382584).

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

1601819016 is a wasteful number, since it uses less digits than its factorization.

1601819016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 1601819016 is about 40022.7312411335. The cubic root of 1601819016 is about 1170.0501636758.

The spelling of 1601819016 in words is "one billion, six hundred one million, eight hundred nineteen thousand, sixteen".