1606159936 has 56 divisors (see below), whose sum is σ = 3287085120. Its totient is φ = 778102272.

The previous prime is 1606159909. The next prime is 1606159937. The reversal of 1606159936 is 6399516061.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1606159937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621495 + ... + 624073.

Almost surely, 2^1606159936 is an apocalyptic number.

1606159936 is a gapful number since it is divisible by the number (16) 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 1606159936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643542560).

1606159936 is an abundant number, since it is smaller than the sum of its proper divisors (1680925184).

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

1606159936 is a wasteful number, since it uses less digits than its factorization.

1606159936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 1606159936 is about 40076.9252313598. The cubic root of 1606159936 is about 1171.1061533342.

The spelling of 1606159936 in words is "one billion, six hundred six million, one hundred fifty-nine thousand, nine hundred thirty-six".