1606055650 has 12 divisors (see below), whose sum is σ = 2987263602. Its totient is φ = 642422240.

The previous prime is 1606055621. The next prime is 1606055651. The reversal of 1606055650 is 565506061.

It can be written as a sum of positive squares in 3 ways, for example, as 735982641 + 870073009 = 27129^2 + 29497^2 .

It is not an unprimeable number, because it can be changed into a prime (1606055651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16060507 + ... + 16060606.

Almost surely, 2^1606055650 is an apocalyptic number.

1606055650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1606055650 is a deficient number, since it is larger than the sum of its proper divisors (1381207952).

1606055650 is a wasteful number, since it uses less digits than its factorization.

1606055650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32121125 (or 32121120 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1606055650 is about 40075.6241373731. The cubic root of 1606055650 is about 1171.0808066223.

The spelling of 1606055650 in words is "one billion, six hundred six million, fifty-five thousand, six hundred fifty".