9616449414420 has 72 divisors (see below), whose sum is σ = 29202057909024. Its totient is φ = 2561559139008.

The previous prime is 9616449414401. The next prime is 9616449414461. The reversal of 9616449414420 is 244149446169.

It is a happy number.

9616449414420 is a `hidden beast` number, since 9 + 6 + 1 + 6 + 4 + 494 + 144 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29288074 + ... + 29614593.

Almost surely, 2^{9616449414420} is an apocalyptic number.

9616449414420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9616449414420 is an abundant number, since it is smaller than the sum of its proper divisors (19585608494604).

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

9616449414420 is a wasteful number, since it uses less digits than its factorization.

9616449414420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58903589 (or 58903584 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 9616449414420 in words is "nine trillion, six hundred sixteen billion, four hundred forty-nine million, four hundred fourteen thousand, four hundred twenty".