1606412533649 has 8 divisors (see below), whose sum is σ = 2002800042048. Its totient is φ = 1251750026160.

The previous prime is 1606412533601. The next prime is 1606412533711. The reversal of 1606412533649 is 9463352146061.

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

It is a cyclic number.

It is not a de Polignac number, because 1606412533649 - 2³² = 1602117566353 is a prime.

It is a super-2 number, since 2×1606412533649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1606412533597 and 1606412533606.

It is not an unprimeable number, because it can be changed into a prime (1606412523649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10431250142 + ... + 10431250295.

It is an arithmetic number, because the mean of its divisors is an integer number (250350005256).

Almost surely, 2^{1606412533649} is an apocalyptic number.

It is an amenable number.

1606412533649 is a deficient number, since it is larger than the sum of its proper divisors (396387508399).

1606412533649 is a wasteful number, since it uses less digits than its factorization.

1606412533649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862500455.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 1606412533649 in words is "one trillion, six hundred six billion, four hundred twelve million, five hundred thirty-three thousand, six hundred forty-nine".