1606065663602 has 8 divisors (see below), whose sum is σ = 2409105526956. Its totient is φ = 803030487952.

The previous prime is 1606065663581. The next prime is 1606065663613. The reversal of 1606065663602 is 2063665606061.

It can be written as a sum of positive squares in 2 ways, for example, as 1520538076201 + 85527587401 = 1233101^2 + 292451^2 .

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

It is a super-2 number, since 2×1606065663602² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130193 + ... + 1796964.

Almost surely, 2^{1606065663602} is an apocalyptic number.

1606065663602 is a deficient number, since it is larger than the sum of its proper divisors (803039863354).

1606065663602 is a wasteful number, since it uses less digits than its factorization.

1606065663602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343852.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 1606065663602 in words is "one trillion, six hundred six billion, sixty-five million, six hundred sixty-three thousand, six hundred two".