117666530 has 16 divisors (see below), whose sum is σ = 213071040. Its totient is φ = 46784112.

The previous prime is 117666517. The next prime is 117666547. The reversal of 117666530 is 35666711.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33560 + ... + 36899.

It is an arithmetic number, because the mean of its divisors is an integer number (13316940).

Almost surely, 2^117666530 is an apocalyptic number.

117666530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117666530 is a deficient number, since it is larger than the sum of its proper divisors (95404510).

117666530 is a wasteful number, since it uses less digits than its factorization.

117666530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70633.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 117666530 is about 10847.4204306830. The cubic root of 117666530 is about 490.0243358731.

The spelling of 117666530 in words is "one hundred seventeen million, six hundred sixty-six thousand, five hundred thirty".