16378575137968 has 40 divisors (see below), whose sum is σ = 31774735255536. Its totient is φ = 8178645100800.

The previous prime is 16378575137887. The next prime is 16378575137971. The reversal of 16378575137968 is 86973157587361.

It is a junction number, because it is equal to n+sod(n) for n = 16378575137894 and 16378575137903.

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, 187052278 + ... + 187139818.

Almost surely, 2^{16378575137968} is an apocalyptic number.

It is an amenable number.

16378575137968 is a deficient number, since it is larger than the sum of its proper divisors (15396160117568).

16378575137968 is a wasteful number, since it uses less digits than its factorization.

16378575137968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102613 (or 102607 counting only the distinct ones).

The product of its digits is 1600300800, while the sum is 76.

The spelling of 16378575137968 in words is "sixteen trillion, three hundred seventy-eight billion, five hundred seventy-five million, one hundred thirty-seven thousand, nine hundred sixty-eight".