116664129 has 24 divisors (see below), whose sum is σ = 179961600. Its totient is φ = 72666720.

The previous prime is 116664113. The next prime is 116664139. The reversal of 116664129 is 921466611.

116664129 = T₂₈₂₂ + T₂₈₂₃ + ... + T₂₈₅₀.

It is not a de Polignac number, because 116664129 - 2⁴ = 116664113 is a prime.

It is a super-2 number, since 2×116664129² = 27221037990657282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 116664093 and 116664102.

It is not an unprimeable number, because it can be changed into a prime (116664139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882 + ... + 15300.

It is an arithmetic number, because the mean of its divisors is an integer number (7498400).

Almost surely, 2^116664129 is an apocalyptic number.

It is an amenable number.

116664129 is a deficient number, since it is larger than the sum of its proper divisors (63297471).

116664129 is a wasteful number, since it uses less digits than its factorization.

116664129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485 (or 14482 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 116664129 is about 10801.1170255673. The cubic root of 116664129 is about 488.6288601161.

The spelling of 116664129 in words is "one hundred sixteen million, six hundred sixty-four thousand, one hundred twenty-nine".