16426686 has 16 divisors (see below), whose sum is σ = 33072768. Its totient is φ = 5439000.

The previous prime is 16426681. The next prime is 16426687. The reversal of 16426686 is 68662461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426681) 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, 8160 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (2067048).

Almost surely, 2^16426686 is an apocalyptic number.

16426686 is an abundant number, since it is smaller than the sum of its proper divisors (16646082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16426686 is a wasteful number, since it uses less digits than its factorization.

16426686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18287.

The product of its digits is 82944, while the sum is 39.

The square root of 16426686 is about 4052.9848260264. The cubic root of 16426686 is about 254.2045493058.

The spelling of 16426686 in words is "sixteen million, four hundred twenty-six thousand, six hundred eighty-six".