1109347164 has 60 divisors (see below), whose sum is σ = 2904525624. Its totient is φ = 369212256.

The previous prime is 1109347163. The next prime is 1109347171. The reversal of 1109347164 is 4617439011.

It is a super-2 number, since 2×1109347164² = 2461302260549685792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109347163) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 243007 + ... + 247529.

Almost surely, 2^1109347164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109347164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452262812).

1109347164 is an abundant number, since it is smaller than the sum of its proper divisors (1795178460).

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

1109347164 is a wasteful number, since it uses less digits than its factorization.

1109347164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1109347164 is about 33306.8636169784. The cubic root of 1109347164 is about 1035.1957789695.

The spelling of 1109347164 in words is "one billion, one hundred nine million, three hundred forty-seven thousand, one hundred sixty-four".