1606074540 has 192 divisors, whose sum is σ = 5316799488. Its totient is φ = 354585600.

The previous prime is 1606074539. The next prime is 1606074563. The reversal of 1606074540 is 454706061.

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 63 ways as a sum of consecutive naturals, for example, 2812455 + ... + 2813025.

It is an arithmetic number, because the mean of its divisors is an integer number (27691664).

Almost surely, 2^1606074540 is an apocalyptic number.

1606074540 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 1606074540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2658399744).

1606074540 is an abundant number, since it is smaller than the sum of its proper divisors (3710724948).

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

1606074540 is a wasteful number, since it uses less digits than its factorization.

1606074540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1606074540 is about 40075.8598161038. The cubic root of 1606074540 is about 1171.0853979181.

The spelling of 1606074540 in words is "one billion, six hundred six million, seventy-four thousand, five hundred forty".