1613694074880 has 128 divisors (see below), whose sum is σ = 5163743818800. Its totient is φ = 430318288896.

The previous prime is 1613694074857. The next prime is 1613694074891. The reversal of 1613694074880 is 884704963161.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1613694074880.

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, 1150015 + ... + 2133054.

Almost surely, 2^{1613694074880} is an apocalyptic number.

1613694074880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613694074880 is an abundant number, since it is smaller than the sum of its proper divisors (3550049743920).

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

1613694074880 is an frugal number, since it uses more digits than its factorization.

1613694074880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283107 (or 3283079 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 1613694074880 in words is "one trillion, six hundred thirteen billion, six hundred ninety-four million, seventy-four thousand, eight hundred eighty".