1606334420634 has 32 divisors (see below), whose sum is σ = 3237336267264. Its totient is φ = 531333931440.

The previous prime is 1606334420633. The next prime is 1606334420651. The reversal of 1606334420634 is 4360244336061.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 34940667 + ... + 34986609.

It is an arithmetic number, because the mean of its divisors is an integer number (101166758352).

Almost surely, 2^{1606334420634} is an apocalyptic number.

1606334420634 is an abundant number, since it is smaller than the sum of its proper divisors (1631001846630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606334420634 is a wasteful number, since it uses less digits than its factorization.

1606334420634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90562.

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 1606334420634 its reverse (4360244336061), we get a palindrome (5966578756695).

The spelling of 1606334420634 in words is "one trillion, six hundred six billion, three hundred thirty-four million, four hundred twenty thousand, six hundred thirty-four".