116661323456 has 28 divisors (see below), whose sum is σ = 231576326280. Its totient is φ = 58311383040.

The previous prime is 116661323437. The next prime is 116661323473. The reversal of 116661323456 is 654323166611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105086 + ... + 494333.

Almost surely, 2^116661323456 is an apocalyptic number.

116661323456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

116661323456 is a deficient number, since it is larger than the sum of its proper divisors (114915002824).

116661323456 is an equidigital number, since it uses as much as digits as its factorization.

116661323456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602472 (or 602462 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The spelling of 116661323456 in words is "one hundred sixteen billion, six hundred sixty-one million, three hundred twenty-three thousand, four hundred fifty-six".