1617946883120 has 40 divisors (see below), whose sum is σ = 3785686574064. Its totient is φ = 643056590592.

The previous prime is 1617946883117. The next prime is 1617946883167. The reversal of 1617946883120 is 213886497161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 64396154 + ... + 64421273.

Almost surely, 2^{1617946883120} is an apocalyptic number.

1617946883120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1617946883120 is an abundant number, since it is smaller than the sum of its proper divisors (2167739690944).

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

1617946883120 is a wasteful number, since it uses less digits than its factorization.

1617946883120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128817597 (or 128817591 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 1617946883120 in words is "one trillion, six hundred seventeen billion, nine hundred forty-six million, eight hundred eighty-three thousand, one hundred twenty".