1606321360 has 80 divisors (see below), whose sum is σ = 4280976000. Its totient is φ = 549093888.

The previous prime is 1606321349. The next prime is 1606321361. The reversal of 1606321360 is 631236061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606321361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 191331 + ... + 199549.

It is an arithmetic number, because the mean of its divisors is an integer number (53512200).

Almost surely, 2^1606321360 is an apocalyptic number.

1606321360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606321360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140488000).

1606321360 is an abundant number, since it is smaller than the sum of its proper divisors (2674654640).

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

1606321360 is a wasteful number, since it uses less digits than its factorization.

1606321360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588 (or 8582 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1606321360 is about 40078.9391077159. The cubic root of 1606321360 is about 1171.1453852734.

The spelling of 1606321360 in words is "one billion, six hundred six million, three hundred twenty-one thousand, three hundred sixty".