16927226685 has 24 divisors (see below), whose sum is σ = 29349897720. Its totient is φ = 9024970752.

The previous prime is 16927226581. The next prime is 16927226699. The reversal of 16927226685 is 58662272961.

It can be written as a sum of positive squares in 4 ways, for example, as 6216218649 + 10711008036 = 78843^2 + 103494^2 .

It is not a de Polignac number, because 16927226685 - 2⁸ = 16927226429 is a prime.

It is a congruent number.

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, 86301 + ... + 203229.

It is an arithmetic number, because the mean of its divisors is an integer number (1222912405).

Almost surely, 2^16927226685 is an apocalyptic number.

16927226685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16927226685 is a deficient number, since it is larger than the sum of its proper divisors (12422671035).

16927226685 is a wasteful number, since it uses less digits than its factorization.

16927226685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120157 (or 120154 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 16927226685 in words is "sixteen billion, nine hundred twenty-seven million, two hundred twenty-six thousand, six hundred eighty-five".