116656643445 has 8 divisors (see below), whose sum is σ = 186650629536. Its totient is φ = 62216876496.

The previous prime is 116656643437. The next prime is 116656643531. The reversal of 116656643445 is 544346656611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116656643445 - 2³ = 116656643437 is a prime.

It is a super-2 number, since 2×116656643445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888554767 + ... + 3888554796.

It is an arithmetic number, because the mean of its divisors is an integer number (23331328692).

Almost surely, 2^116656643445 is an apocalyptic number.

116656643445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116656643445 is a deficient number, since it is larger than the sum of its proper divisors (69993986091).

116656643445 is an equidigital number, since it uses as much as digits as its factorization.

116656643445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777109571.

The product of its digits is 6220800, while the sum is 51.

The spelling of 116656643445 in words is "one hundred sixteen billion, six hundred fifty-six million, six hundred forty-three thousand, four hundred forty-five".