116645271 has 4 divisors (see below), whose sum is σ = 155527032. Its totient is φ = 77763512.

The previous prime is 116645257. The next prime is 116645293. The reversal of 116645271 is 172546611.

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 116645271 - 2²² = 112450967 is a prime.

It is a super-2 number, since 2×116645271² = 27212238493326882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116645251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440876 + ... + 19440881.

It is an arithmetic number, because the mean of its divisors is an integer number (38881758).

Almost surely, 2^116645271 is an apocalyptic number.

116645271 is a deficient number, since it is larger than the sum of its proper divisors (38881761).

116645271 is an equidigital number, since it uses as much as digits as its factorization.

116645271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38881760.

The product of its digits is 10080, while the sum is 33.

The square root of 116645271 is about 10800.2440250209. The cubic root of 116645271 is about 488.6025308018.

The spelling of 116645271 in words is "one hundred sixteen million, six hundred forty-five thousand, two hundred seventy-one".