116667971 has 12 divisors (see below), whose sum is σ = 137745288. Its totient is φ = 98505792.

The previous prime is 116667917. The next prime is 116667979. The reversal of 116667971 is 179766611.

It is not a de Polignac number, because 116667971 - 2⁶ = 116667907 is a prime.

It is a super-2 number, since 2×116667971² = 27222830914513682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116667979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14486 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (11478774).

Almost surely, 2^116667971 is an apocalyptic number.

116667971 is a deficient number, since it is larger than the sum of its proper divisors (21077317).

116667971 is an equidigital number, since it uses as much as digits as its factorization.

116667971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35618 (or 35611 counting only the distinct ones).

The product of its digits is 95256, while the sum is 44.

The square root of 116667971 is about 10801.2948760785. The cubic root of 116667971 is about 488.6342239227.

The spelling of 116667971 in words is "one hundred sixteen million, six hundred sixty-seven thousand, nine hundred seventy-one".