117100186 has 16 divisors (see below), whose sum is σ = 201392064. Its totient is φ = 50023584.

The previous prime is 117100183. The next prime is 117100253. The reversal of 117100186 is 681001711.

It is a super-2 number, since 2×117100186² = 27424907122469192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117100186.

It is not an unprimeable number, because it can be changed into a prime (117100183) 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, 8980 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (12587004).

Almost surely, 2^117100186 is an apocalyptic number.

117100186 is a deficient number, since it is larger than the sum of its proper divisors (84291878).

117100186 is a wasteful number, since it uses less digits than its factorization.

117100186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27045.

The product of its (nonzero) digits is 336, while the sum is 25.

The square root of 117100186 is about 10821.2839349127. The cubic root of 117100186 is about 489.2368879698.

Adding to 117100186 its reverse (681001711), we get a palindrome (798101897).

The spelling of 117100186 in words is "one hundred seventeen million, one hundred thousand, one hundred eighty-six".