16666211422353 has 16 divisors (see below), whose sum is σ = 22232604021120. Its totient is φ = 11105314222464.

The previous prime is 16666211422319. The next prime is 16666211422439. The reversal of 16666211422353 is 35322411266661.

It is not a de Polignac number, because 16666211422353 - 2⁴¹ = 14467188166801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16666211426353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69488443 + ... + 69727871.

It is an arithmetic number, because the mean of its divisors is an integer number (1389537751320).

Almost surely, 2^{16666211422353} is an apocalyptic number.

It is an amenable number.

16666211422353 is a deficient number, since it is larger than the sum of its proper divisors (5566392598767).

16666211422353 is a wasteful number, since it uses less digits than its factorization.

16666211422353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250808.

The product of its digits is 1866240, while the sum is 48.

The spelling of 16666211422353 in words is "sixteen trillion, six hundred sixty-six billion, two hundred eleven million, four hundred twenty-two thousand, three hundred fifty-three".