116501666 has 4 divisors (see below), whose sum is σ = 174752502. Its totient is φ = 58250832.

The previous prime is 116501659. The next prime is 116501683. The reversal of 116501666 is 666105611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 39325441 = 8785^2 + 6271^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29125415 + ... + 29125418.

Almost surely, 2^116501666 is an apocalyptic number.

116501666 is a deficient number, since it is larger than the sum of its proper divisors (58250836).

116501666 is an equidigital number, since it uses as much as digits as its factorization.

116501666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58250835.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 116501666 is about 10793.5937481452. The cubic root of 116501666 is about 488.4019380707.

It can be divided in two parts, 11650166 and 6, that multiplied together give a palindrome (69900996).

The spelling of 116501666 in words is "one hundred sixteen million, five hundred one thousand, six hundred sixty-six".