1164344685 has 16 divisors (see below), whose sum is σ = 2129087616. Its totient is φ = 532271808.

The previous prime is 1164344683. The next prime is 1164344707. The reversal of 1164344685 is 5864434611.

It is not a de Polignac number, because 1164344685 - 2¹ = 1164344683 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164344683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5544394 + ... + 5544603.

It is an arithmetic number, because the mean of its divisors is an integer number (133067976).

Almost surely, 2^1164344685 is an apocalyptic number.

1164344685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164344685 is a deficient number, since it is larger than the sum of its proper divisors (964742931).

1164344685 is a wasteful number, since it uses less digits than its factorization.

1164344685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089012.

The product of its digits is 276480, while the sum is 42.

The square root of 1164344685 is about 34122.4952926951. The cubic root of 1164344685 is about 1052.0277323695.

The spelling of 1164344685 in words is "one billion, one hundred sixty-four million, three hundred forty-four thousand, six hundred eighty-five".