116051666 has 4 divisors (see below), whose sum is σ = 174077502. Its totient is φ = 58025832.

The previous prime is 116051659. The next prime is 116051699. The reversal of 116051666 is 666150611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666150611 = 7 ⋅95164373.

It can be written as a sum of positive squares in only one way, i.e., 111746041 + 4305625 = 10571^2 + 2075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29012915 + ... + 29012918.

Almost surely, 2^116051666 is an apocalyptic number.

116051666 is a deficient number, since it is larger than the sum of its proper divisors (58025836).

116051666 is an equidigital number, since it uses as much as digits as its factorization.

116051666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58025835.

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

The square root of 116051666 is about 10772.7278810894. The cubic root of 116051666 is about 487.7722919774.

The spelling of 116051666 in words is "one hundred sixteen million, fifty-one thousand, six hundred sixty-six".