16421262 has 32 divisors (see below), whose sum is σ = 38586240. Its totient is φ = 4593120.

The previous prime is 16421239. The next prime is 16421267. The reversal of 16421262 is 26212461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16421267) 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 15 ways as a sum of consecutive naturals, for example, 8712 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 2^16421262 is an apocalyptic number.

16421262 is an abundant number, since it is smaller than the sum of its proper divisors (22164978).

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

16421262 is a wasteful number, since it uses less digits than its factorization.

16421262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19168.

The product of its digits is 1152, while the sum is 24.

The square root of 16421262 is about 4052.3156343010. The cubic root of 16421262 is about 254.1765672515.

The spelling of 16421262 in words is "sixteen million, four hundred twenty-one thousand, two hundred sixty-two".