1613340783687 has 16 divisors (see below), whose sum is σ = 2201860235520. Its totient is φ = 1050207134592.

The previous prime is 1613340783667. The next prime is 1613340783757. The reversal of 1613340783687 is 7863870433161.

It is not a de Polignac number, because 1613340783687 - 2¹⁰ = 1613340782663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613340783647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625883 + ... + 2422844.

It is an arithmetic number, because the mean of its divisors is an integer number (137616264720).

Almost surely, 2^{1613340783687} is an apocalyptic number.

1613340783687 is a deficient number, since it is larger than the sum of its proper divisors (588519451833).

1613340783687 is a wasteful number, since it uses less digits than its factorization.

1613340783687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051862.

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 1613340783687 in words is "one trillion, six hundred thirteen billion, three hundred forty million, seven hundred eighty-three thousand, six hundred eighty-seven".