1613075260657 has 8 divisors (see below), whose sum is σ = 1843662412800. Its totient is φ = 1382525065824.

The previous prime is 1613075260649. The next prime is 1613075260703. The reversal of 1613075260657 is 7560625703161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613075260657 - 2³ = 1613075260649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1613075260657.

It is not an unprimeable number, because it can be changed into a prime (1613075260757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9145732 + ... + 9320437.

It is an arithmetic number, because the mean of its divisors is an integer number (230457801600).

Almost surely, 2^{1613075260657} is an apocalyptic number.

It is an amenable number.

1613075260657 is a deficient number, since it is larger than the sum of its proper divisors (230587152143).

1613075260657 is a wasteful number, since it uses less digits than its factorization.

1613075260657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478655.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 1613075260657 in words is "one trillion, six hundred thirteen billion, seventy-five million, two hundred sixty thousand, six hundred fifty-seven".