1608768121387 has 8 divisors (see below), whose sum is σ = 1846620927200. Its totient is φ = 1372922512704.

The previous prime is 1608768121361. The next prime is 1608768121399. The reversal of 1608768121387 is 7831218678061.

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

It is a cyclic number.

It is not a de Polignac number, because 1608768121387 - 2²³ = 1608759732779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1608768121187) 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, 501797562 + ... + 501800767.

It is an arithmetic number, because the mean of its divisors is an integer number (230827615900).

Almost surely, 2^{1608768121387} is an apocalyptic number.

1608768121387 is a deficient number, since it is larger than the sum of its proper divisors (237852805813).

1608768121387 is a wasteful number, since it uses less digits than its factorization.

1608768121387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003598565.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 1608768121387 in words is "one trillion, six hundred eight billion, seven hundred sixty-eight million, one hundred twenty-one thousand, three hundred eighty-seven".