116664667 has 4 divisors (see below), whose sum is σ = 133331056. Its totient is φ = 99998280.

The previous prime is 116664641. The next prime is 116664673. The reversal of 116664667 is 766466611.

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

It is a cyclic number.

It is not a de Polignac number, because 116664667 - 2²³ = 108276059 is a prime.

It is a super-2 number, since 2×116664667² = 27221289052441778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116664677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333184 + ... + 8333197.

It is an arithmetic number, because the mean of its divisors is an integer number (33332764).

Almost surely, 2^116664667 is an apocalyptic number.

116664667 is a deficient number, since it is larger than the sum of its proper divisors (16666389).

116664667 is an equidigital number, since it uses as much as digits as its factorization.

116664667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666388.

The product of its digits is 217728, while the sum is 43.

The square root of 116664667 is about 10801.1419303701. The cubic root of 116664667 is about 488.6296112237.

It can be divided in two parts, 11 and 6664667, that multiplied together give a palindrome (73311337).

The spelling of 116664667 in words is "one hundred sixteen million, six hundred sixty-four thousand, six hundred sixty-seven".