16748740657146 has 16 divisors (see below), whose sum is σ = 33997443722784. Its totient is φ = 5499586484304.

The previous prime is 16748740657127. The next prime is 16748740657171. The reversal of 16748740657146 is 64175604784761.

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, 20831766585 + ... + 20831767388.

It is an arithmetic number, because the mean of its divisors is an integer number (2124840232674).

Almost surely, 2^{16748740657146} is an apocalyptic number.

16748740657146 is an abundant number, since it is smaller than the sum of its proper divisors (17248703065638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16748740657146 is a wasteful number, since it uses less digits than its factorization.

16748740657146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41663534045.

The product of its (nonzero) digits is 189665280, while the sum is 66.

The spelling of 16748740657146 in words is "sixteen trillion, seven hundred forty-eight billion, seven hundred forty million, six hundred fifty-seven thousand, one hundred forty-six".