1106553644 has 24 divisors (see below), whose sum is σ = 2309330688. Its totient is φ = 453618000.

The previous prime is 1106553641. The next prime is 1106553683. The reversal of 1106553644 is 4463556011.

It is not an unprimeable number, because it can be changed into a prime (1106553641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858482 + ... + 859769.

It is an arithmetic number, because the mean of its divisors is an integer number (96222112).

Almost surely, 2^1106553644 is an apocalyptic number.

1106553644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1106553644 is an abundant number, since it is smaller than the sum of its proper divisors (1202777044).

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

1106553644 is a wasteful number, since it uses less digits than its factorization.

1106553644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718285 (or 1718283 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1106553644 is about 33264.9010820715. The cubic root of 1106553644 is about 1034.3261170682.

The spelling of 1106553644 in words is "one billion, one hundred six million, five hundred fifty-three thousand, six hundred forty-four".