1612105606 has 4 divisors (see below), whose sum is σ = 2418158412. Its totient is φ = 806052802.

The previous prime is 1612105603. The next prime is 1612105661. The reversal of 1612105606 is 6065012161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6065012161 = 13 ⋅466539397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612105603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403026400 + ... + 403026403.

It is an arithmetic number, because the mean of its divisors is an integer number (604539603).

Almost surely, 2^1612105606 is an apocalyptic number.

1612105606 is a deficient number, since it is larger than the sum of its proper divisors (806052806).

1612105606 is an equidigital number, since it uses as much as digits as its factorization.

1612105606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806052805.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1612105606 is about 40151.0349306217. The cubic root of 1612105606 is about 1172.5494376798.

Adding to 1612105606 its reverse (6065012161), we get a palindrome (7677117767).

The spelling of 1612105606 in words is "one billion, six hundred twelve million, one hundred five thousand, six hundred six".