16454066 has 4 divisors (see below), whose sum is σ = 24681102. Its totient is φ = 8227032.

The previous prime is 16454059. The next prime is 16454083. The reversal of 16454066 is 66045461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66045461 = 127 ⋅520043.

It can be written as a sum of positive squares in only one way, i.e., 13845841 + 2608225 = 3721^2 + 1615^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4113515 + ... + 4113518.

Almost surely, 2^16454066 is an apocalyptic number.

16454066 is a deficient number, since it is larger than the sum of its proper divisors (8227036).

16454066 is an equidigital number, since it uses as much as digits as its factorization.

16454066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227035.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 16454066 is about 4056.3611772129. The cubic root of 16454066 is about 254.3457069541.

The spelling of 16454066 in words is "sixteen million, four hundred fifty-four thousand, sixty-six".