1606343551055 has 16 divisors (see below), whose sum is σ = 1991016597504. Its totient is φ = 1242856254240.

The previous prime is 1606343551051. The next prime is 1606343551079. The reversal of 1606343551055 is 5501553436061.

It is a happy number.

It is not a de Polignac number, because 1606343551055 - 2² = 1606343551051 is a prime.

It is a super-2 number, since 2×1606343551055² (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 = 1606343550997 and 1606343551015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606343551051) 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, 2932667 + ... + 3437036.

It is an arithmetic number, because the mean of its divisors is an integer number (124438537344).

Almost surely, 2^{1606343551055} is an apocalyptic number.

1606343551055 is a deficient number, since it is larger than the sum of its proper divisors (384673046449).

1606343551055 is a wasteful number, since it uses less digits than its factorization.

1606343551055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371366.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 1606343551055 in words is "one trillion, six hundred six billion, three hundred forty-three million, five hundred fifty-one thousand, fifty-five".