117532066 has 4 divisors (see below), whose sum is σ = 176298102. Its totient is φ = 58766032.

The previous prime is 117532061. The next prime is 117532073. The reversal of 117532066 is 660235711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660235711 = 157 ⋅4205323.

It can be written as a sum of positive squares in only one way, i.e., 110355025 + 7177041 = 10505^2 + 2679^2 .

It is not an unprimeable number, because it can be changed into a prime (117532061) 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 as a sum of consecutive naturals, namely, 29383015 + ... + 29383018.

Almost surely, 2^117532066 is an apocalyptic number.

117532066 is a deficient number, since it is larger than the sum of its proper divisors (58766036).

117532066 is an equidigital number, since it uses as much as digits as its factorization.

117532066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58766035.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 117532066 is about 10841.2206877270. The cubic root of 117532066 is about 489.8376054942.

Adding to 117532066 its reverse (660235711), we get a palindrome (777767777).

The spelling of 117532066 in words is "one hundred seventeen million, five hundred thirty-two thousand, sixty-six".