1606516596 has 72 divisors (see below), whose sum is σ = 4336550400. Its totient is φ = 500351040.

The previous prime is 1606516591. The next prime is 1606516601. The reversal of 1606516596 is 6956156061.

1606516596 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 51 + 6 + 596 = 666.

It is an interprime number because it is at equal distance from previous prime (1606516591) and next prime (1606516601).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606516591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7545 + ... + 57183.

Almost surely, 2^1606516596 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 1606516596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168275200).

1606516596 is an abundant number, since it is smaller than the sum of its proper divisors (2730033804).

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

1606516596 is a wasteful number, since it uses less digits than its factorization.

1606516596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49709 (or 49704 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 1606516596 is about 40081.3746770242. The cubic root of 1606516596 is about 1171.1928312543.

The spelling of 1606516596 in words is "one billion, six hundred six million, five hundred sixteen thousand, five hundred ninety-six".