16423146 has 12 divisors (see below), whose sum is σ = 35583522. Its totient is φ = 5474376.

The previous prime is 16423133. The next prime is 16423157. The reversal of 16423146 is 64132461.

16423146 is a `hidden beast` number, since 1 + 642 + 3 + 14 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 622521 = 3975^2 + 789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456181 + ... + 456216.

Almost surely, 2^16423146 is an apocalyptic number.

16423146 is an abundant number, since it is smaller than the sum of its proper divisors (19160376).

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

16423146 is a wasteful number, since it uses less digits than its factorization.

16423146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912405 (or 912402 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16423146 is about 4052.5480873149. The cubic root of 16423146 is about 254.1862873802.

The spelling of 16423146 in words is "sixteen million, four hundred twenty-three thousand, one hundred forty-six".