116666026 has 4 divisors (see below), whose sum is σ = 174999042. Its totient is φ = 58333012.

The previous prime is 116666021. The next prime is 116666027. The reversal of 116666026 is 620666611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620666611 = 2203 ⋅281737.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 7568001 = 10445^2 + 2751^2 .

It is a super-2 number, since 2×116666026² = 27221923245265352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116665982 and 116666000.

It is not an unprimeable number, because it can be changed into a prime (116666021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29166505 + ... + 29166508.

Almost surely, 2^116666026 is an apocalyptic number.

116666026 is a deficient number, since it is larger than the sum of its proper divisors (58333016).

116666026 is an equidigital number, since it uses as much as digits as its factorization.

116666026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58333015.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 116666026 is about 10801.2048402019. The cubic root of 116666026 is about 488.6315085278.

The spelling of 116666026 in words is "one hundred sixteen million, six hundred sixty-six thousand, twenty-six".