16277227445021 has 8 divisors (see below), whose sum is σ = 16280012275200. Its totient is φ = 16274442850848.

The previous prime is 16277227445009. The next prime is 16277227445051. The reversal of 16277227445021 is 12054472277261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16277227445021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16277227445051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183532730 + ... + 183621396.

It is an arithmetic number, because the mean of its divisors is an integer number (2035001534400).

Almost surely, 2^{16277227445021} is an apocalyptic number.

It is an amenable number.

16277227445021 is a deficient number, since it is larger than the sum of its proper divisors (2784830179).

16277227445021 is an equidigital number, since it uses as much as digits as its factorization.

16277227445021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118003.

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 16277227445021 in words is "sixteen trillion, two hundred seventy-seven billion, two hundred twenty-seven million, four hundred forty-five thousand, twenty-one".