16216572066675 has 24 divisors (see below), whose sum is σ = 27977112159744. Its totient is φ = 8272801980960.

The previous prime is 16216572066637. The next prime is 16216572066689. The reversal of 16216572066675 is 57666027561261.

It is a happy number.

It is not a de Polignac number, because 16216572066675 - 2¹⁹ = 16216571542387 is a prime.

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, 4700453947 + ... + 4700457396.

It is an arithmetic number, because the mean of its divisors is an integer number (1165713006656).

Almost surely, 2^{16216572066675} is an apocalyptic number.

16216572066675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16216572066675 is a deficient number, since it is larger than the sum of its proper divisors (11760540093069).

16216572066675 is a wasteful number, since it uses less digits than its factorization.

16216572066675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400911379 (or 9400911374 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 16216572066675 in words is "sixteen trillion, two hundred sixteen billion, five hundred seventy-two million, sixty-six thousand, six hundred seventy-five".