1613953491680 has 48 divisors (see below), whose sum is σ = 3916018249920. Its totient is φ = 628133248512.

The previous prime is 1613953491673. The next prime is 1613953491701. The reversal of 1613953491680 is 861943593161.

It is a congruent number.

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, 136307720 + ... + 136319559.

It is an arithmetic number, because the mean of its divisors is an integer number (81583713540).

Almost surely, 2^{1613953491680} is an apocalyptic number.

1613953491680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613953491680 is an abundant number, since it is smaller than the sum of its proper divisors (2302064758240).

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

1613953491680 is a wasteful number, since it uses less digits than its factorization.

1613953491680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272627331 (or 272627323 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 1613953491680 in words is "one trillion, six hundred thirteen billion, nine hundred fifty-three million, four hundred ninety-one thousand, six hundred eighty".