16853587382378 has 16 divisors (see below), whose sum is σ = 27008105471520. Its totient is φ = 7864124826096.

The previous prime is 16853587382369. The next prime is 16853587382383. The reversal of 16853587382378 is 87328378535861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3309814301 + ... + 3309819392.

It is an arithmetic number, because the mean of its divisors is an integer number (1688006591970).

Almost surely, 2^{16853587382378} is an apocalyptic number.

16853587382378 is a deficient number, since it is larger than the sum of its proper divisors (10154518089142).

16853587382378 is a wasteful number, since it uses less digits than its factorization.

16853587382378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619633781.

The product of its digits is 1625702400, while the sum is 74.

The spelling of 16853587382378 in words is "sixteen trillion, eight hundred fifty-three billion, five hundred eighty-seven million, three hundred eighty-two thousand, three hundred seventy-eight".