1606516606 has 8 divisors (see below), whose sum is σ = 2411317440. Its totient is φ = 802744128.

The previous prime is 1606516601. The next prime is 1606516607. The reversal of 1606516606 is 6066156061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606516601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253171 + ... + 259438.

It is an arithmetic number, because the mean of its divisors is an integer number (301414680).

Almost surely, 2^1606516606 is an apocalyptic number.

1606516606 is a deficient number, since it is larger than the sum of its proper divisors (804800834).

1606516606 is a wasteful number, since it uses less digits than its factorization.

1606516606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514178.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1606516606 is about 40081.3748017705. The cubic root of 1606516606 is about 1171.1928336844.

The spelling of 1606516606 in words is "one billion, six hundred six million, five hundred sixteen thousand, six hundred six".