1606334420635 has 12 divisors (see below), whose sum is σ = 2242311722208. Its totient is φ = 1101486459696.

The previous prime is 1606334420633. The next prime is 1606334420651. The reversal of 1606334420635 is 5360244336061.

It is not a de Polignac number, because 1606334420635 - 2¹ = 1606334420633 is a prime.

It is a super-2 number, since 2×1606334420635² (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 = 1606334420591 and 1606334420600.

It is not an unprimeable number, because it can be changed into a prime (1606334420633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3278233267 + ... + 3278233756.

It is an arithmetic number, because the mean of its divisors is an integer number (186859310184).

Almost surely, 2^{1606334420635} is an apocalyptic number.

1606334420635 is a deficient number, since it is larger than the sum of its proper divisors (635977301573).

1606334420635 is an equidigital number, since it uses as much as digits as its factorization.

1606334420635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556467042 (or 6556467035 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 1606334420635 its reverse (5360244336061), we get a palindrome (6966578756696).

The spelling of 1606334420635 in words is "one trillion, six hundred six billion, three hundred thirty-four million, four hundred twenty thousand, six hundred thirty-five".