16777221134086 has 16 divisors (see below), whose sum is σ = 28987414695936. Its totient is φ = 7133621583816.

The previous prime is 16777221134081. The next prime is 16777221134087. The reversal of 16777221134086 is 68043112277761.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16777221134081) 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, 4718001916 + ... + 4718005471.

It is an arithmetic number, because the mean of its divisors is an integer number (1811713418496).

Almost surely, 2^{16777221134086} is an apocalyptic number.

16777221134086 is a deficient number, since it is larger than the sum of its proper divisors (12210193561850).

16777221134086 is a wasteful number, since it uses less digits than its factorization.

16777221134086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436007523.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 16777221134086 in words is "sixteen trillion, seven hundred seventy-seven billion, two hundred twenty-one million, one hundred thirty-four thousand, eighty-six".