1617697680896 has 40 divisors (see below), whose sum is σ = 3526075426104. Its totient is φ = 735317125120.

The previous prime is 1617697680883. The next prime is 1617697680947. The reversal of 1617697680896 is 6980867967161.

It is a congruent number.

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, 143610995 + ... + 143622258.

Almost surely, 2^{1617697680896} is an apocalyptic number.

1617697680896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1617697680896 is an abundant number, since it is smaller than the sum of its proper divisors (1908377745208).

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

1617697680896 is an equidigital number, since it uses as much as digits as its factorization.

1617697680896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287233282 (or 287233266 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 1617697680896 in words is "one trillion, six hundred seventeen billion, six hundred ninety-seven million, six hundred eighty thousand, eight hundred ninety-six".