1101564164 has 24 divisors (see below), whose sum is σ = 2042518968. Its totient is φ = 518031360.

The previous prime is 1101564151. The next prime is 1101564193. The reversal of 1101564164 is 4614651011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 323712064 + 777852100 = 17992^2 + 27890^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114584 + ... + 123824.

It is an arithmetic number, because the mean of its divisors is an integer number (85104957).

Almost surely, 2^1101564164 is an apocalyptic number.

It is an amenable number.

1101564164 is a deficient number, since it is larger than the sum of its proper divisors (940954804).

1101564164 is a wasteful number, since it uses less digits than its factorization.

1101564164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11015 (or 11013 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1101564164 is about 33189.8201863162. The cubic root of 1101564164 is about 1032.7691732350.

The spelling of 1101564164 in words is "one billion, one hundred one million, five hundred sixty-four thousand, one hundred sixty-four".