1606593140 has 24 divisors (see below), whose sum is σ = 3377375232. Its totient is φ = 641964960.

The previous prime is 1606593137. The next prime is 1606593161. The reversal of 1606593140 is 413956061.

It is a super-2 number, since 2×1606593140² = 5162283034990119200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1606593140.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 22196 + ... + 60875.

It is an arithmetic number, because the mean of its divisors is an integer number (140723968).

Almost surely, 2^1606593140 is an apocalyptic number.

1606593140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606593140 is an abundant number, since it is smaller than the sum of its proper divisors (1770782092).

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

1606593140 is a wasteful number, since it uses less digits than its factorization.

1606593140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84047 (or 84045 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1606593140 is about 40082.3295231203. The cubic root of 1606593140 is about 1171.2114318216.

The spelling of 1606593140 in words is "one billion, six hundred six million, five hundred ninety-three thousand, one hundred forty".