116564481 has 16 divisors (see below), whose sum is σ = 188387520. Its totient is φ = 70644960.

The previous prime is 116564477. The next prime is 116564501. The reversal of 116564481 is 184465611.

116564481 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 644 + 8 + 1 = 666.

It is not a de Polignac number, because 116564481 - 2² = 116564477 is a prime.

It is a super-2 number, since 2×116564481² = 27174556461598722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116564431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195940 + ... + 196533.

It is an arithmetic number, because the mean of its divisors is an integer number (11774220).

Almost surely, 2^116564481 is an apocalyptic number.

116564481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116564481 is a deficient number, since it is larger than the sum of its proper divisors (71823039).

116564481 is a wasteful number, since it uses less digits than its factorization.

116564481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392493 (or 392487 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 116564481 is about 10796.5031839017. The cubic root of 116564481 is about 488.4897006371.

The spelling of 116564481 in words is "one hundred sixteen million, five hundred sixty-four thousand, four hundred eighty-one".