16426634 has 16 divisors (see below), whose sum is σ = 28220928. Its totient is φ = 7024752.

The previous prime is 16426601. The next prime is 16426637. The reversal of 16426634 is 43662461.

It is a self number, because there is not a number n which added to its sum of digits gives 16426634.

It is not an unprimeable number, because it can be changed into a prime (16426637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7532 + ... + 9464.

It is an arithmetic number, because the mean of its divisors is an integer number (1763808).

Almost surely, 2^16426634 is an apocalyptic number.

16426634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16426634 is a deficient number, since it is larger than the sum of its proper divisors (11794294).

16426634 is a wasteful number, since it uses less digits than its factorization.

16426634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549.

The product of its digits is 20736, while the sum is 32.

The square root of 16426634 is about 4052.9784109960. The cubic root of 16426634 is about 254.2042810705.

The spelling of 16426634 in words is "sixteen million, four hundred twenty-six thousand, six hundred thirty-four".