1613613614680 has 16 divisors (see below), whose sum is σ = 3630630633120. Its totient is φ = 645445445856.

The previous prime is 1613613614659. The next prime is 1613613614689. The reversal of 1613613614680 is 864163163161.

It is a self number, because there is not a number n which added to its sum of digits gives 1613613614680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613613614689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20170170144 + ... + 20170170223.

It is an arithmetic number, because the mean of its divisors is an integer number (226914414570).

Almost surely, 2^{1613613614680} is an apocalyptic number.

1613613614680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613613614680 is an abundant number, since it is smaller than the sum of its proper divisors (2017017018440).

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

1613613614680 is a wasteful number, since it uses less digits than its factorization.

1613613614680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340340378 (or 40340340374 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 1613613614680 in words is "one trillion, six hundred thirteen billion, six hundred thirteen million, six hundred fourteen thousand, six hundred eighty".