16422976 has 14 divisors (see below), whose sum is σ = 32589470. Its totient is φ = 8211456.

The previous prime is 16422971. The next prime is 16422979. The reversal of 16422976 is 67922461.

It can be written as a sum of positive squares in only one way, i.e., 16192576 + 230400 = 4024^2 + 480^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16422971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128241 + ... + 128368.

Almost surely, 2^16422976 is an apocalyptic number.

16422976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16422976 is a deficient number, since it is larger than the sum of its proper divisors (16166494).

16422976 is an equidigital number, since it uses as much as digits as its factorization.

16422976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256621 (or 256611 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 16422976 is about 4052.5271128026. The cubic root of 16422976 is about 254.1854103290.

The spelling of 16422976 in words is "sixteen million, four hundred twenty-two thousand, nine hundred seventy-six".