16662207220072 has 32 divisors (see below), whose sum is σ = 31267126224000. Its totient is φ = 8324309593600.

The previous prime is 16662207219991. The next prime is 16662207220103. The reversal of 16662207220072 is 27002270226661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49960929 + ... + 50293327.

It is an arithmetic number, because the mean of its divisors is an integer number (977097694500).

Almost surely, 2^{16662207220072} is an apocalyptic number.

It is an amenable number.

16662207220072 is a deficient number, since it is larger than the sum of its proper divisors (14604919003928).

16662207220072 is a wasteful number, since it uses less digits than its factorization.

16662207220072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337497 (or 337493 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 16662207220072 in words is "sixteen trillion, six hundred sixty-two billion, two hundred seven million, two hundred twenty thousand, seventy-two".