1105601656 has 8 divisors (see below), whose sum is σ = 2073003120. Its totient is φ = 552800824.

The previous prime is 1105601641. The next prime is 1105601657. The reversal of 1105601656 is 6561065011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105601657) 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, 69100096 + ... + 69100111.

It is an arithmetic number, because the mean of its divisors is an integer number (259125390).

Almost surely, 2^1105601656 is an apocalyptic number.

It is an amenable number.

1105601656 is a deficient number, since it is larger than the sum of its proper divisors (967401464).

1105601656 is a wasteful number, since it uses less digits than its factorization.

1105601656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138200213 (or 138200209 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1105601656 is about 33250.5888068166. The cubic root of 1105601656 is about 1034.0294155128.

Adding to 1105601656 its reverse (6561065011), we get a palindrome (7666666667).

It can be divided in two parts, 1105 and 601656, that multiplied together give a triangular number (664829880 = T₃₆₄₆₄).

The spelling of 1105601656 in words is "one billion, one hundred five million, six hundred one thousand, six hundred fifty-six".