1164864481 has 8 divisors (see below), whose sum is σ = 1273523328. Its totient is φ = 1056666000.

The previous prime is 1164864469. The next prime is 1164864487. The reversal of 1164864481 is 1844684611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1164864481 - 2¹⁹ = 1164340193 is a prime.

It is a super-2 number, since 2×1164864481² = 2713818518190798722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1164864487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109785 + ... + 119926.

It is an arithmetic number, because the mean of its divisors is an integer number (159190416).

Almost surely, 2^1164864481 is an apocalyptic number.

1164864481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1164864481 is a deficient number, since it is larger than the sum of its proper divisors (108658847).

1164864481 is a wasteful number, since it uses less digits than its factorization.

1164864481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230183.

The product of its digits is 147456, while the sum is 43.

The square root of 1164864481 is about 34130.1110604698. Note that the first 3 decimals coincide. The cubic root of 1164864481 is about 1052.1842606037.

The spelling of 1164864481 in words is "one billion, one hundred sixty-four million, eight hundred sixty-four thousand, four hundred eighty-one".