1613657605360 has 40 divisors (see below), whose sum is σ = 3914873673120. Its totient is φ = 617399430912.

The previous prime is 1613657605349. The next prime is 1613657605361. The reversal of 1613657605360 is 635067563161.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613657605361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438492075 + ... + 438495754.

It is an arithmetic number, because the mean of its divisors is an integer number (97871841828).

Almost surely, 2^{1613657605360} is an apocalyptic number.

1613657605360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613657605360 is an abundant number, since it is smaller than the sum of its proper divisors (2301216067760).

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

1613657605360 is a wasteful number, since it uses less digits than its factorization.

1613657605360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876987865 (or 876987859 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 1613657605360 in words is "one trillion, six hundred thirteen billion, six hundred fifty-seven million, six hundred five thousand, three hundred sixty".