1606186161316 has 45 divisors (see below), whose sum is σ = 3092479668145. Its totient is φ = 729945209840.

The previous prime is 1606186161287. The next prime is 1606186161319. The reversal of 1606186161316 is 6131616816061.

The square root of 1606186161316 is 1267354.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1374732800100 + 231453361216 = 1172490^2 + 481096^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606186161319) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 306697050 + ... + 306702286.

Almost surely, 2^{1606186161316} is an apocalyptic number.

1606186161316 is the 1267354-th square number.

It is an amenable number.

1606186161316 is a deficient number, since it is larger than the sum of its proper divisors (1486293506829).

1606186161316 is an frugal number, since it uses more digits than its factorization.

1606186161316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522 (or 5250 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 1606186161316 in words is "one trillion, six hundred six billion, one hundred eighty-six million, one hundred sixty-one thousand, three hundred sixteen".