116221457664 has 144 divisors (see below), whose sum is σ = 370125067200. Its totient is φ = 35760420864.

The previous prime is 116221457663. The next prime is 116221457687. The reversal of 116221457664 is 466754122611.

116221457664 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 2 + 14 + 576 + 64 = 666.

116221457664 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116221457663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556854 + ... + 736565.

Almost surely, 2^116221457664 is an apocalyptic number.

It is an amenable number.

116221457664 is an abundant number, since it is smaller than the sum of its proper divisors (253903609536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116221457664 is a wasteful number, since it uses less digits than its factorization.

116221457664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293457 (or 1293437 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 116221457664 in words is "one hundred sixteen billion, two hundred twenty-one million, four hundred fifty-seven thousand, six hundred sixty-four".