16306742080072 has 16 divisors (see below), whose sum is σ = 30575191165740. Its totient is φ = 8153357769216.

The previous prime is 16306742080037. The next prime is 16306742080127. The reversal of 16306742080072 is 27008024760361.

It can be written as a sum of positive squares in 2 ways, for example, as 15020073829476 + 1286668250596 = 3875574^2 + 1134314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5261788 + ... + 7765300.

Almost surely, 2^{16306742080072} is an apocalyptic number.

It is an amenable number.

16306742080072 is a deficient number, since it is larger than the sum of its proper divisors (14268449085668).

16306742080072 is a wasteful number, since it uses less digits than its factorization.

16306742080072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317712 (or 3317708 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 16306742080072 in words is "sixteen trillion, three hundred six billion, seven hundred forty-two million, eighty thousand, seventy-two".