16678407240650 has 48 divisors (see below), whose sum is σ = 31411284486624. Its totient is φ = 6587691190080.

The previous prime is 16678407240643. The next prime is 16678407240661. The reversal of 16678407240650 is 5604270487661.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7309232 + ... + 9315668.

It is an arithmetic number, because the mean of its divisors is an integer number (654401760138).

Almost surely, 2^{16678407240650} is an apocalyptic number.

16678407240650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16678407240650 is a deficient number, since it is larger than the sum of its proper divisors (14732877245974).

16678407240650 is a wasteful number, since it uses less digits than its factorization.

16678407240650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008535 (or 2008530 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 16678407240650 in words is "sixteen trillion, six hundred seventy-eight billion, four hundred seven million, two hundred forty thousand, six hundred fifty".